- (n.) A large fresh-water gobioid fish (Eleotris dormatrix).
- (n.) A nurse shark. See under Nurse.
- (n.) An animal that hibernates, as the bear.
- (n.) The lowest or bottom, tier of casks.
- (n.) A sleeping car.
- (n.) One of the joists or roughly shaped timbers, laid directly upon the ground, to receive the flooring of the ground story.
- (n.) Something lying in a reclining posture or position.
- (n.) One who sleeps; a slumberer; hence, a drone or lazy person.
- (n.) One of the pieces of timber, stone or iron, on or near the level of the ground, for the support of some superstructure, to steady framework, to keep in place the rails of a railway, etc.; a stringpiece.
- (n.) One of the knees which connect the transoms to the after timbers on the ship's quarter.
- (n.) That which lies dormant, as a law.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). sleeper. Retrieved September 20, 2026, from http://smartdefine.org/sleeper/definitions/2062864 |
| Chicago | Webster's. 2011. "sleeper" http://smartdefine.org/sleeper/definitions/2062864 (accessed September 20, 2026). |
| Harvard | Webster's 2011, sleeper, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/sleeper/definitions/2062864>. |
| MLA | Webster's. "sleeper" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/sleeper/definitions/2062864> |