domesticated bovine animals as a group regardless of sex or age; "so many head of cattle"; "wait till the cows come home"; "seven thin and ill-favored kine"- Bible; "a team of oxen"
the distinct personality of an individual regarded as a persisting entity; "you can lose your identity when you join the army"
exact sameness; "they shared an identity of interests"
the individual characteristics by which a thing or person is recognized or known; "geneticists only recently discovered the identity of the gene that causes it"; "it was too dark to determine his identity"; "she guessed the identity of his lover"
an operator that leaves unchanged the element on which it operates; "the identity under numerical multiplication is 1"