What is another word for "chap"?

Roget's Thesaurus (1911) lists these synonyms for "chap": abra, absence, abysm, abyss, adolescence, animal, barranca, beau, between, blade, boar, boy, breach, breachy, break, buck, bull, bullock, caesura, canon, capon, chasm, chink, cleft, clove, cock, crack, cranny, creek, crevasse, crevice, cut, defile, dike, dog, drake, elf, entire, est, far.