signaler


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sig·nal

 (sĭg′nəl)
n.
1.
a. An indicator, such as a gesture or colored light, that serves as a means of communication. See Synonyms at gesture.
b. A message communicated by such means.
2. Something that incites action: The peace treaty was the signal for celebration.
3. Biology A physical entity, such as a chemical or an electromagnetic wave, that activates a cell receptor and elicits a specific response.
4.
a. Electronics An impulse or fluctuating quantity, as of electrical voltage or light intensity, whose variations represent coded information.
b. Computers A sequence of digital values whose variations represent coded information.
5. The sound, image, or message transmitted or received by means of telecommunications.
adj.
Notably out of the ordinary: a signal feat; a signal event.
v. sig·naled, sig·nal·ing, sig·nals or sig·nalled or sig·nal·ling
v.tr.
1. To make a signal to: I signaled the driver to proceed.
2. To relate or make known by signals: They have signaled their willingness to negotiate.
3. To cause an effect in (a cell) by the activation of a receptor, as by a neurotransmitter or hormone.
v.intr.
To make a signal or signals.

[Middle English, from Old French, from Medieval Latin signāle, from neuter of Late Latin signālis, of a sign, from Latin signum, sign; see sign.]

sig′nal·er, sig′nal·ler n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.signaler - someone who communicates by signalssignaler - someone who communicates by signals
communicator - a person who communicates with others
signalman - a railroad employee in charge of signals and point in a railroad yard
bell ringer, ringer, toller - a person who rings church bells (as for summoning the congregation)
whistler - someone who makes a loud high sound
References in classic literature ?
At that moment, on the road from the town on which signalers had been posted, two men appeared on horse back.
coli bacteria: a "signaler" circuit, and a "responder" circuit.