signaller

sig·nal

S0399100 (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.

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

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sig′nal·er, sig′nal·ler n.

Thesaurus

Noun

1.

signaller - someone who communicates by signalssignalercommunicator - a person who communicates with otherssignalman - a railroad employee in charge of signals and point in a railroad yardbell ringer, ringer, toller - a person who rings church bells (as for summoning the congregation)whistler - someone who makes a loud high sound

Translations