cowcatcher

n (US) metal frame fixed to the front of a railway engine to push obstacles off the track （机车的）排障器.

covered, covered wagon, covering, covering letter, coverlet, covert, covertly, covet, covetous, covetously, covetousness, covey, cow, cow shed, cow-pat, coward, cowardice, cowardly, cowbell, cowboy, cower, cowgirl, cowhand, cowherd, cowhide, cowl, cowlick, cowling, cowman, cowpox, cowrie, cowshed, cowslip, cox, coxcomb, coxswain, Coy, coyly, coyness, coyote,