noun, masculine/ma.jo/plural: maillots
vest; leotard (of a dancer); shirt, jersey (of a footballer); singlet (of a runner; of a basketball player); bikini line; swaddling clothes
“Un maillot de danseuse.” — A dancer's leotard.
Synonyms: t-shirt, tricot, tricot de peau
From Old French mailloel, from maille.