O.E. mete "food, item of food" (contrasted with drink), from P.Gmc. *matiz (cf. O.Fris. mete, O.N. matr, Goth. mats "food," M.Du., Du. metworst, Ger. Mettwurst "type of sausage"), from PIE *mat-/*met- "measure" (see
meter (2)). Narrower sense of "flesh used as food" is first
attested c.1300; similar sense evolution in Fr. viande "meat," originally "food." Figurative sense of "essential part" is from 1901. Dark meat, white meat supposedly popularized by Victorians as euphemisms for leg and breast. First record of meat loaf is from 1932. Meathead "stupid person" is from 1945; meat market "place where one looks for sex partners" is from 1896 (meat in various sexual senses of "penis, vagina, body regarded as a sex object, prostitute" are attested from 1595); meat wagon "ambulance" is from 1925, Amer.Eng. slang. Meaty "full of substance" is from 1881.