covered wagon

(US) large wagon with an arched canvas roof, used by pioneers for travel westward across the prairies （美国拓荒者的）大篷车.

courtship, courtyard, cousin, cousinly, couture, couturier, cove, coven, covenant, Coventry, cover, cover charge, cover girl, cover note, cover over, cover up, cover-up, coverage, coveralls, covered, covering, covering letter, coverlet, covert, covertly, covet, covetous, covetously, covetousness, covey, cow, cow shed, cow-pat, coward, cowardice, cowardly, cowbell, cowboy, cowcatcher, cower,