WordReference Random House Learner's Dictionary of American English © 2017
bat1 /bæt/USA pronunciation   n., v.,  bat•ted, bat•ting. 
n. [countable]
  1. Sporta club used in certain games, as baseball, to strike the ball.
  2. a heavy stick or cudgel.

v. 
  1. [+ object] to strike or hit with or as if with a bat.
  2. [no object] to take one's turn as a batter.
Idioms
  1. Idiomsgo to bat for, [+ object] Informal. to help by speaking or acting in favor of.


bat2 /bæt/USA pronunciation   n. [countable]
  1. Mammalsa flying nocturnal mammal,often the size of a mouse.

bat3 /bæt/USA pronunciation   v. [+ object], bat•ted, bat•ting. 
  1. to wink or flutter:batted her eyelashes.
Idioms
  1. Idiomsnot bat an eye, to show no emotion:didn't bat an eye when I told her about the murder.


-bat-, root. 
  1. -bat- comes from Latin, where it means "beat, fight.'' This meaning is found in such words as: battalion, batten, battle, combat.

WordReference Random House Unabridged Dictionary of American English © 2017
bat1  (bat),USA pronunciation n., v.,  bat•ted, bat•ting. 
n. 
  1. Sport
    • the wooden club used in certain games, as baseball and cricket, to strike the ball.
    • a racket, esp. one used in badminton or table tennis.
    • a whip used by a jockey.
    • the act of using a club or racket in a game.
    • the right or turn to use a club or racket.
  2. a heavy stick, club, or cudgel.
  3. [Informal.]a blow, as with a bat.
  4. any fragment of brick or hardened clay.
  5. [Masonry.]a brick cut transversely so as to leave one end whole.
  6. British Termsspeed;
    rate of motion or progress, esp. the pace of the stroke or step of a race.
  7. Slang Termsa spree;
    binge:to go on a bat.
  8. Ceramics
    • a sheet of gelatin or glue used in bat printing.
    • a slab of moist clay.
    • a ledge or shelf in a kiln.
    • a slab of plaster for holding a piece being modeled or for absorbing excess water from slip.
  9. Textilesbatt.
  10. at bat, [Baseball.]
    • taking one's turn to bat in a game:at bat with two men in scoring position.
    • an instance at bat officially charged to a batter except when the batter is hit by a pitch, receives a base on balls, is interfered with by the catcher, or makes a sacrifice hit or sacrifice fly:two hits in three at bats.
  11. Idiomsgo to bat for, [Informal.]to intercede for;
    vouch for;
    defend:to go to bat for a friend.
  12. right off the bat, [Informal.]at once;
    without delay:They asked me to sing right off the bat.

v.t. 
  1. to strike or hit with or as if with a bat or club.
  2. Sport[Baseball.]to have a batting average of;
    hit:He batted .325 in spring training.

v.i. 
  1. Sport
    • to strike at the ball with the bat.
    • to take one's turn as a batter.
  2. Slang Termsto rush.
  3. Sportbat around: 
    • [Slang.]to roam;
      drift.
    • [Informal.]to discuss or ponder;
      debate:We batted the idea around.
    • Sport[Baseball.]to have every player in the lineup take a turn at bat during a single inning.
  4. Sportbat in, [Baseball.]to cause (a run) to be scored by getting a hit:He batted in two runs with a double to left.
  5. bat out, to do, write, produce, etc., hurriedly:I have to bat out a term paper before class.
  6. Idiomsbat the breeze. See  breeze 1 (def. 5).
  • Old French batre; see batter1
  • Celtic; compare Irish, Scots Gaelic bat, bata staff, cudgel; (verb, verbal) Middle English batten, partly from the noun, nominal, partly
  • (noun, nominal) Middle English bat, bot, batte, Old English batt, perh. 1175–1225
    • 13.See corresponding entry in Unabridged knock, wallop, swat, smack, sock, slug;
      clout, clobber.

bat2  (bat),USA pronunciation n. 
  1. Mammalsany of numerous flying mammals of the order Chiroptera, of worldwide distribution in tropical and temperate regions, having modified forelimbs that serve as wings and are covered with a membranous skin extending to the hind limbs.
  2. Idiomsblind as a bat, nearly or completely blind;
    having very poor vision:Anyone can tell that he's blind as a bat, but he won't wear glasses.
  3. Idiomshave bats in one's belfry, [Informal.]to have crazy ideas;
    be very peculiar, erratic, or foolish:If you think you can row across the ocean in that boat, you have bats in your belfry.
batlike′, adj. 
  • Scandinavian; compare dialect, dialectal Swedish natt-blacka
  • Scandinavian), Middle English balke for *blake
  • Scandinavian; compare dialect, dialectal Swedish natt-batta, variant of Old Swedish natt-bakka night-bat; replacing Middle English bakke (
  • apparently 1570–75

bat3  (bat),USA pronunciation v.t.,  bat•ted, bat•ting. 
  1. to blink;
    wink;
    flutter.
  2. Idiomsnot bat an eye, to show no emotion or surprise;
    maintain a calm exterior:The murderer didn't bat an eye when the jury announced its verdict of guilty.
  • variant of bate2 1605–15

bat., 
  1. Militarybattalion.
  2. battery.


Collins Concise English Dictionary © HarperCollins Publishers::

bat /bæt/ n
  1. any of various types of club with a handle, used to hit the ball in certain sports, such as cricket, baseball, or table tennis
  2. a flat round club with a short handle, resembling a table-tennis bat, used by a man on the ground to guide the pilot of an aircraft when taxiing
  3. short for batsman
  4. any stout stick, esp a wooden one
  5. informal a blow from such a stick
  6. US Canadian slang a drinking spree; binge
  7. slang speed; rate; pace: they went at a fair bat
  8. carry one's bat(of an opening batsman) to reach the end of an innings without being dismissed
  9. off one's own batof one's own accord; without being prompted by someone else
  10. by one's own unaided efforts
vb (bats, batting, batted)
  1. (transitive) to strike with or as if with a bat
  2. (intransitive) (of a player or a team) to take a turn at batting
Etymology: Old English batt club, probably of Celtic origin; compare Gaelic bat, Russian bat
bat /bæt/ n
  1. any placental mammal of the order Chiroptera, being a nocturnal mouselike animal flying with a pair of membranous wings (patagia). The group is divided into the Megachiroptera (fruit bats) and Microchiroptera (insectivorous bats)
  2. slang an irritating or eccentric woman (esp in the phrase old bat)
  3. blind as a bathaving extremely poor eyesight
  4. have bats in the belfry, have bats in one's belfryinformal to be mad or eccentric; have strange ideas
Etymology: 14th Century bakke, probably of Scandinavian origin; compare Old Norse ledhrblaka leather-flapper, Swedish dialect natt-batta night bat
bat /bæt/ vb (bats, batting, batted)(transitive)
  1. to wink or flutter (one's eyelids)
  2. not bat an eye, not bat an eyelidinformal to show no surprise or concern
Etymology: 17th Century: probably a variant of bate²



'bat' also found in these entries:
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