(n.) A signal telegraph; an apparatus for giving signals by the disposition of lanterns, flags, oscillating arms, etc.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). semaphore. Retrieved September 21, 2026, from http://smartdefine.org/semaphore/definitions/2060133 |
| Chicago | Webster's. 2011. "semaphore" http://smartdefine.org/semaphore/definitions/2060133 (accessed September 21, 2026). |
| Harvard | Webster's 2011, semaphore, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/semaphore/definitions/2060133>. |
| MLA | Webster's. "semaphore" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/semaphore/definitions/2060133> |