WordReference Random House Learner's Dictionary of American English © 2019
breast /brɛst/USA pronunciation   n. 
  1. Anatomy either of the two parts on the chest of a woman that produce milk:[countable]The baby cried softly at its mother's breast.
  2. Zoology the outer, front part of the body from the neck to the waist;
    chest:[countable]a bullet through the breast.
  3. the part of the body as the center of emotion or where feelings are located:[countable]The father's breast swelled with pride.
  4. (a piece of) meat cut from the front part of a bird or animal: [uncountable]We ordered breast of chicken.[countable]The butcher chopped three chicken breasts and weighed them.
  1. Idiomsbeat one's breast, to display grief, sorrow, etc., loudly and with a great show:He wailed and beat his breast, claiming he was innocent.
  2. Idiomsmake a clean breast of, [+ object] to tell the truth about (one's wrongdoing);
    confess:It would be better to just make a clean breast of the matter.

WordReference Random House Unabridged Dictionary of American English © 2019
breast  (brest),USA pronunciation n. 
  1. [Anat., Zool.](in bipeds) the outer, front part of the thorax, or the front part of the body from the neck to the abdomen;
  2. [Zool.]the corresponding part in quadrupeds.
  3. Anatomyeither of the pair of mammae occurring on the chest in humans and having a discrete areola around the nipple, esp. the mammae of the female after puberty, which are enlarged and softened by hormonally influenced mammary-gland development and fat deposition and which secrete milk after the birth of a child: the breasts of males normally remain rudimentary.
  4. the part of a garment that covers the chest.
  5. the bosom conceived of as the center of emotion:What anger lay in his breast when he made that speech?
  6. a projection from a wall, as part of a chimney.
  7. any surface or part resembling or likened to the human breast.
  8. [Mining.]the face or heading at which the work is going on.
  9. [Metall.]
    • the front of an open-hearth furnace.
    • the clay surrounding the taphole of a cupola.
  10. [Naut.]
    • See  breast line. 
    • a rounded bow.
  11. beat one's breast, to display one's grief, remorse, etc., in a loud and demonstrative manner.
  12. make a clean breast of, to confess everything (of which one is guilty):You'll feel better if you make a clean breast of it.

  1. to meet or oppose boldly;
    confront:As a controversial public figure he has breasted much hostile criticism.
  2. to contend with or advance against:The ship breasted the turbulent seas.
  3. to climb or climb over (a mountain, obstacle, etc.).
  4. to overcome, succeed against.
  5. to come alongside or abreast of.
  6. breast in, [Naut.]to bind (an object, as a boatswain's chair) securely under a projection, as the flare of a bow.
  7. breast off, [Naut.]
    • to thrust (a vessel) sideways from a wharf.
    • to keep (a vessel) away from a wharf by means of timbers.
breastless, adj. 
  • bef. 1000; Middle English brest, Old English brēost; cognate with Old Norse brjōst; akin to German Brust, Gothic brusts, Dutch borst

Collins Concise English Dictionary © HarperCollins Publishers::

breast /brɛst/ n
  1. the front part of the body from the neck to the abdomen; chest
  2. either of the two soft fleshy milk-secreting glands on the chest in sexually mature human females
  3. a similar organ in certain other mammals
  4. anything that resembles a breast in shape or position: the breast of the hill
  5. a source of nourishment
  6. the source of human emotions
  7. the part of a garment that covers the breast
  8. a projection from the side of a wall, esp that formed by a chimney
  9. beat one's breastto display guilt and remorse publicly or ostentatiously
  10. make a clean breast ofto make a confession of
vb (transitive)
  1. to confront boldly; face: breast the storm
  2. to oppose with the breast or meet at breast level: breasting the waves
  3. to reach the summit of: breasting the mountain top
Etymology: Old English brēost; related to Old Norse brjōst, Old High German brust, Dutch borst, Swedish bräss, Old Irish brū belly, body

'breast' also found in these entries:
Collocations: [big, large, small, cute, soft, firm, perky] breasts, breast milk, has [natural, fake] breasts, more...

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