sleeper

noun

Compounds

Combines

Forms

singular : sleeper
plural : sleepers

Senses

person who is sleeping
a piece of timber, stone, or steel on or near the ground to support a superstructure, keep railroad rails in place, or receive floor joists : stringpiece
someone or something unpromising or unnoticed that suddenly attains prominence or value
children's pajamas usually with feet —usually used in plural
sleeping car: a railroad passenger car having berths for sleeping