Nouns

(n)breast, chestthe front of the trunk from the neck to the abdomen“he beat his breast in anger”
(n)breast, bosom, knocker, boob, tit, tittyeither of two soft fleshy milk-secreting glandular organs on the chest of a woman
(n)breast, white meatmeat carved from the breast of a fowl
(n)breastthe part of an animal's body that corresponds to a person's chest

Verbs

(v)breastmeet at breast level“The runner breasted the tape”
(v)summit, breastreach the summit (of a mountain)“They breasted the mountain”, “Many mountaineers go up Mt. Everest but not all summit”
(v)front, breastconfront bodily“breast the storm”