The nipple on the body of a mammal, especially a cow or goat, through which milk is produced.
From Old English tit and Middle English tete, possibly from Germanic roots. Related to 'titty.' In American usage, typically refers to animal teats; in British English more commonly used for human breasts.
This simple word shows the weird geography of English: same body part, different words dominate different regions—'teat' for animals, 'nipple' more formal, other regional favorites elsewhere.
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