cola-nut (also kola-nut)

n seed of the cola tree, used as a flavouring or chewed 可乐树的坚果（作调味或咀嚼用）.

coiffeur, coiffure, coil, coin, coinage, coincide, coincide with, coincidence, coincident, coincidental, coincidentally, coins, coir, coital, coitus, coke, coke (also Coke), col, cola, cola (also kola), colander, colander (also cullender), cold, cold chisel, cold cream, cold cuts, cold frame, cold snap, cold sore, cold storage, cold sweat, cold war, cold-blooded, cold-hearted, cold-shoulder, coldly, coldness, coleslaw, colic, colicky,