WordReference Random House Learner's Dictionary of American English © 2015
keel1 /kil/USA pronunciation
Nautical, Naval Termsthe base at the bottom of the hull of a boat, usually a long metal or wooden bar, that extends from the back to the front and from which the sides are built.
keel over, [no object]
- to capsize or overturn:The boat keeled over in the hurricane.
- to fall in or as if in a faint:to keel over from the heat.
Idiomson an even keel, in a steady or stable state:to keep things on an even keel.
Collins Concise English Dictionary © HarperCollins Publishers::
keel /kiːl/ n
- one of the main longitudinal structural members of a vessel to which the frames are fastened and that may extend into the water to provide lateral stability
- on an even keel ⇒ well-balanced; steady
- any structure corresponding to or resembling the keel of a ship, such as the central member along the bottom of an aircraft fuselage
- a ridgelike part; carina
See also keel overEtymology: 14th Century: from Old Norse kjölr; related to Middle Dutch kiel, keel²
- to capsize
keel /kiːl/ n Eastern Brit dialect
Etymology: 14th Century kele, from Middle Dutch kiel; compare Old English cēol ship
- a flat-bottomed vessel, esp one used for carrying coal
- a measure of coal equal to about 21 tons
'keel' also found in these entries: