a person or thing that sleeps.
a heavy horizontal timber for distributing loads.
any long wooden, metal, or stone piece lying horizontally as a sill or footing.
any of a number of wooden pieces, laid upon the ground or upon masonry or concrete, to which floorboards are nailed.
a sleeping car.
Informal. something or someone that becomes unexpectedly successful or important after a period of being unnoticed, ignored, or considered unpromising or a failure:
The play was the sleeper of the season.
merchandise that is not quickly sold because its value is not immediately recognized.
Often, sleepers. one-piece or two-piece pajamas with feet, especially for children.
a sofa, chair, or other piece of furniture that is designed to open up or unfold into a bed; convertible.
Also called sleep, sand. a globule that forms at the inner corner of the eye, especially during sleep, from the accumulated secretion of the glands of the eyelid.
any of several gobioid fishes of the family Eleotridae, of tropical seas, most species of which have the habit of resting quietly on the bottom.
Slang. a spy; mole.
Slang. a juvenile delinquent sentenced to serve more than nine months.
Bowling. a pin that is hidden from view by another pin.
Chiefly British. a timber or beam laid in a railroad track, serving as a foundation or support for the rails; tie.
a person, animal, or thing that sleeps
a railway sleeping car or compartment
(Brit) one of the blocks supporting the rails on a railway track US and Canadian equivalent tie
a heavy timber beam, esp one that is laid horizontally on the ground
(mainly Brit) a small plain gold circle worn in a pierced ear lobe to prevent the hole from closing up
a wrestling hold in which a wrestler presses the sides of his opponent’s neck, causing him to pass out
(US) an unbranded calf
Also called sleeper goby. any gobioid fish of the family Eleotridae, of brackish or fresh tropical waters, resembling the gobies but lacking a ventral sucker
(informal) a person or thing that achieves unexpected success after an initial period of obscurity
a spy planted in advance for future use, but not currently active
- Sleeper effect
noun the delayed impact of a persuasive message, as through marketing
noun on an aircraft, a seat designed to recline nearly horizontally, like a bed; on a train, a small sleeping compartment
noun 1. a seat, as on an airplane, that can be extended horizontally to permit sleeping.
- Sleeper terrorist
noun 1. a terrorist who is not currently active but assumes a guise in order to be in position, unsuspected, for future terrorist activities