c.1300, from Old French trot (12c.), from troter "to trot, to go," from Frankish *trotton (cf. Old High German trotton "to tread"), from a variant of the Germanic base of tread (v.). The trots "diarrhea" is recorded from 1808 (cf. the runs).
late 14c., from Old French troter "to trot, to go," from Frankish *trotton (see trot (n.). Italian trottare, Spanish trotar also are borrowed from Germanic. To trot (something) out originally (1838) was in reference to horses; figurative sense of "produce and display for admiration" is slang first recorded 1845. Related: Trotted; trotting.
A child whose accomplishments or other attributes are used by the parents to impress others: The star athlete became the trophy child for the stepfather
two-beat gait of a horse in which the feet are lifted and strike the ground in diagonal pairs-the right hind and left fore almost simultaneously; then the left hind and right fore. As the horse springs from one pair of legs to the other, twice in each stride all of its legs are off the ground at once.