carrot (Noun) — Deep orange edible root of the cultivated carrot plant.
carrot (Noun) — Perennial plant widely cultivated as an annual in many varieties for its long conical orange edible roots; temperate and tropical regions.
carrot (Noun) — Orange root; important source of carotene.
carrot (Noun) — Promise of reward as in "carrot and stick". ex. "used the carrot of subsidized housing for the workers to get their vote"