- (n.) A large vein of auriferous quartz; -- so called in Australia. Hence, any body of rock yielding valuable ore.
- (n.) A chain or range of rocks lying at or near the surface of the water. See Coral reefs, under Coral.
- (v.t.) That part of a sail which is taken in or let out by means of the reef points, in order to adapt the size of the sail to the force of the wind.
- (v.t.) To reduce the extent of (as a sail) by roiling or folding a certain portion of it and making it fast to the yard or spar.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). reef. Retrieved September 20, 2026, from http://smartdefine.org/reef/definitions/2053645 |
| Chicago | Webster's. 2011. "reef" http://smartdefine.org/reef/definitions/2053645 (accessed September 20, 2026). |
| Harvard | Webster's 2011, reef, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/reef/definitions/2053645>. |
| MLA | Webster's. "reef" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/reef/definitions/2053645> |