bathing-cap

n close-fitting rubber cap worn over the hair while swimming 游泳帽.

bastardize, -ise, bastardy, baste, Bastille, bastinado, bastion, bat, batch, batch processing, bated, bath, bath chair, bath mat, bath-tub, bathe, bathed, bather, bathetic, bathing, bathing suit, bathing-costume (also bathing-suit), bathos, bathrobe (also robe), bathroom, bathysphere, batik, batiste, batman, baton, bats, batsman, battalion, batten, batter, battered, batteries, battering ram, battering-ram, battery, battery farm,