- (v.t.) To communicate by signals; as, to signal orders.
- (a.) Of or pertaining to signals or the use of signals in conveying information; as, a signal flag or officer.
- (n.) A sign made for the purpose of giving notice to a person of some occurence, command or danger; also, a sign, event or watchword, which has been agreed upon as the occasion of concerted action.
- (n.) A token; an indication; a foreshadowing; a sign.
- (a.) Noticeable; distinguished from what is ordinary; eminent; remarkable; memorable; as, a signal exploit; a signal service; a signal act of benevolence.
- (v.t.) To notify by a signals; to make a signal or signals to; as, to signal a fleet to anchor.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Signal. Retrieved September 20, 2026, from http://smartdefine.org/signal/definitions/2061948 |
| Chicago | Webster's. 2011. "Signal" http://smartdefine.org/signal/definitions/2061948 (accessed September 20, 2026). |
| Harvard | Webster's 2011, Signal, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/signal/definitions/2061948>. |
| MLA | Webster's. "Signal" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/signal/definitions/2061948> |