One that sleeps: a heavy sleeper who was not wakened by the burglar.
A sleeping car.
Children's pajamas, usually with legs that cover the feet. Often used in the plural.
One that achieves unexpected recognition or success, as a racehorse or movie.
A spy or saboteur who is planted in an enemy country and who lives unobtrusively as a citizen of that country until activated into clandestine operations by a prearranged signal.
A horizontal structural member on or near the ground that supports weight.
Chiefly British A railroad crosstie.
Any of various usually small marine and freshwater fishes of the family Eleotridae, related to the gobies but lacking a sucking disk and noted for their habit of lying immobile.