stud

Universal Words noun 1 [C] a small piece of jewellery with a rod that is pushed through a hole in your ear, nose, etc: diamond studs 2 [C] a small round piece of metal that is attached to the surface of sth, especially for decoration: a leather jacket with studs on the back 3 [C,usually pl.] (BrE) one of several small metal or plastic objects that are fixed to the bottom part of a FOOTBALLBOOT or running shoe compareCLEAT 4 [C] a small metal object used in the past for fastening a collar onto a shirt seealsoPRESSSTUD 5 [C,U] an animal, especially a horse, that is kept for breeding; the place where animals, especially horses, are kept for breeding: a stud farm * The horse was retired from racing and put out to stud (= kept for breeding). 6 [C] (informal) a man who has many sexual partners and who is thought to be sexually attractive