Meaning ofsleeperin English

Noun

1. a covert agent; awaiting activation
2. unexpectedly successful after time; late bloomer
3. a martial arts hold; restrictive grip
   The wrestler applied a tight sleeper to his opponent's head.
4. a railway car for sleeping passengers
   The overnight train had a sleeper car with comfortable beds.
5. a dormant element (law, etc.); inactive
   The new law is a sleeper that will affect us in the future.
6. a small earring to maintain piercings
   She wears a sleeper in her pierced ear to keep the hole open.
7. full-body pajamas (for children)
   The child wore a cozy sleeper to bed on cold winter nights.
8. a type of nurse shark
   The diver encountered a sleeper shark hiding under a rock in the ocean.
9. a type of freshwater fish; bottom-feeder
   The aquarium featured a sleeper fish swimming near the gravel.
10. a type of goby-like freshwater fish
    The biologist studied the sleeper fish in its natural habitat.
11. a modified car; hidden performance
    The mechanic installed a sleeper in the car to enhance its performance.
12. a railroad tie; track support
    The railroad workers laid sleeper ties along the tracks to support the rails.
13. a horizontal beam supporting floors; foundations
    The builders installed sleepers under the floor to support the weight.
14. a heavy timber in a ship's floor structure
    The ship's carpenter checked the sleepers in the hull for damage.
15. the lowest tier of cargo or storage
    The warehouse had a sleeper at the bottom for storing less frequently used items.