1a. Either of two milk-secreting, glandular organs on the chest of a woman; the human mammary gland. b. A corresponding organ in other mammals. c. A corresponding rudimentary gland in the male. 2a. The superior ventral surface of the human body, extending from the neck to the abdomen. b. A corresponding part in other animals. 3. The part of a garment that covers the chest. 4. The seat of affection and emotion: Griefs of mine own lie heavy in my breast (Shakespeare). 5. A source of nourishment. 6. Something likened to the human breast: the breast of a hill.7. The face of a mine or tunnel.
TRANSITIVE VERB:
Inflected forms: breast·ed, breast·ing, breasts 1. To rise over; climb: He breasted a rise and looked down. He was at the head of a small valley (Ken Follett). 2. To encounter or advance against resolutely; confront boldly. 3. To push against with or as if with the breast.