Dictionary.net

be a signal for or a symptom of; "These symptoms indicate a serious illness"; "Her behavior points to a severe neurosis"; "The economic indicators signal that the euro is undervalued"

any communication that encodes a message; "signals from the boat suddenly stopped"

an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes

notably out of the ordinary; "the year saw one signal triumph for the Labour party"

be a signal for or a symptom of; "These symptoms indicate a serious illness"; "Her behavior points to a severe neurosis"; "The economic indicators signal that the euro is undervalued"

any communication that encodes a message; "signals from the boat suddenly stopped"

an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes

notably out of the ordinary; "the year saw one signal triumph for the Labour party"

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.

A token; an indication; a foreshadowing; a sign.

Noticeable; distinguished from what is ordinary; eminent; remarkable; memorable; as, a signal exploit; a signal service; a signal act of benevolence.

Of or pertaining to signals, or the use of signals in conveying information; as, a signal flag or officer.

To communicate by signals; as, to signal orders.

To notify by a signals; to make a signal or signals to; as, to signal a fleet to anchor.

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.

A token; an indication; a foreshadowing; a sign.

Noticeable; distinguished from what is ordinary; eminent; remarkable; memorable; as, a signal exploit; a signal service; a signal act of benevolence.

Of or pertaining to signals, or the use of signals in conveying information; as, a signal flag or officer.

To communicate by signals; as, to signal orders.

To notify by a signals; to make a signal or signals to; as, to signal a fleet to anchor.

A sign agreed upon, or intended to be understood, for giving notice, as of danger, especially at a distance; a token.

Extraordinary; distinguished from the commonplace by some mark or sign; remarkable; as, a signal success; pertaining to signals; as, a signal flag.

To indicate by signs; make signs to.

To make signs; to communicate with someone by means of flags, lights, etc.

Signally.

Signaler.

Signally.

A sign for giving notice, generally at a distance: token: the notice given.

To make signals to: to convey by signals:-pr.p. signalling; pa.t. and pa.p. signalled.

Having a sign: remarkable: notable: eminent.

SIGNALLING.

A sign to give notice; notice given.

remarkable; notable.

To make signals to; indicate by signals.

To make signals to; communicate by signals.

Remarkable; conspicuous.

A sign agreed upon or understood, as conveying information.

Signaling.

Distinguished from what is ordinary; eminent; remarkable.

A sign intended to give notice or communicate intelligence; the notice given.

To announce by signal; to make signals to.

To give signals.

Anything employed to attract the eye of others at a distance; notice given.

Distinguished from what is ordinary; memorable; notable.

To convey by signals.

n. [Latin] A sign which has been agreed upon to give notice of some occurrence, command, or danger, to a person at a distance, or as the occasion of conceited action;-hence, a token; an indication.