jockey cap(n = noun.artifact) baseball cap, golf cap - a cap with a bill;
is a kind of cap
has parts: bill, eyeshade, peak, visor, vizor

baseball cap, bathing cap, bishop's cap, blasting cap, cap, cap off, cap opener, cap screw, cervical cap, cloth cap, coonskin cap, cradle cap, death cap, disc jockey, disk jockey, distributor cap, dunce cap, dunce's cap, five-point bishop's cap, flat cap, fool's cap, garrison cap, golf cap, ice cap, inky cap, jockey, jockey club, jockey shorts, large cap, lens cap, liberty cap, overseas cap, peaked cap, percussion cap, phrygian cap, radiator cap, root cap, sailor cap, service cap, shaggy cap, shower cap, ski cap, small cap, stocking cap, swimming cap, thinking cap, toboggan cap, watch cap, wishing cap, yachting cap