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1. Dictionary

   Sig·nal

   /ˈsiɡn(ə)l/

   

   noun

   • 1. a gesture, action, or sound that is used to convey information or instructions, typically by prearrangement between the parties concerned: "the firing of the gun was the signal for a chain of beacons to be lit" Similar gesturesignwavegesticulationcuepromptindicatorindicationcommunicationmessagealertwarningtip-offactionmovementmotionbody languagekinesics
   • ▪ an indication of a state of affairs: "the markets are waiting for a clear signal about the direction of policy" Similar indicationsignsymptomhintpointersuggestionintimationcluemanifestationdemonstrationtokentestimonyevidenceattestationproof
   • ▪ an event or statement that provides the impulse or occasion for something specified to happen: "the champion's announcement that he was retiring was the signal for scores of journalists to gather at his last match" Similar cuepromptoccasiongreen lightincentiveimpetusimpulsestimulusinformal:go-ahead
   • ▪ a prearranged convention of bidding or play intended to convey information to one's partner.
   • 2. an electrical impulse or radio wave transmitted or received: "equipment for receiving TV signals"
   • 3. an apparatus on a railroad, typically a colored light or a semaphore, giving indications to train engineers of whether or not the line is clear: "the driver of the mail train overran a signal at danger and ran into the rear of an express"

   verb

   • 1. transmit information or instructions by means of a gesture, action, or sound: "hold your fire until I signal"
   • ▪ instruct (someone) to do something by means of gestures or signs rather than explicit orders: "she signaled Charlotte to be silent" Similar gesturesigngive a sign toindicatedirectmotiongesticulatewavebeckonnod
   • ▪ (of a cyclist, motorist, or vehicle) indicate an intention to turn in a specified direction using an extended arm or flashing indicator: "Stone signaled right"
   • ▪ indicate the existence or occurrence of (something) by actions or sounds: "they could signal displeasure by refusing to cooperate" Similar indicateshowexpresscommunicateannounceproclaimdeclarepronounce

   Word Origin late Middle English: from Old French, from medieval Latin signale, neuter of late Latin signalis, from Latin signum ‘mark, token’ (see sign). The verb dates from the early 19th century.

   Derivatives

   • 1. signaler noun

   Scrabble Points: 7

   • S

     1

   • I

     1

   • G

     2

   • N

     1

   • A

     1

   • L

     1

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2. www.merriam-webster.com › dictionary › signalSignal Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › signal

   • Cached

   1. : sign, indication. 2. a. : an act, event, or watchword that has been agreed on as the occasion of concerted action. b. : something that incites to action. 3. : something (such as a sound, gesture, or object) that conveys notice or warning. 4. a. : an object used to transmit or convey information beyond the range of human voice. b.

3. dictionary.cambridge.org › dictionary › englishSIGNAL | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

   • Cached

   SIGNAL definition: 1. an action, movement, or sound that gives information, a message, a warning, or an order: 2. a…. Learn more.

4. www.dictionary.com › browse › signalSIGNAL Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › signal

   • Cached

   Signal definition: anything that serves to indicate, warn, direct, command, or the like, such as a light, a gesture, an act, etc.. See examples of SIGNAL used in a sentence.

5. www.vocabulary.com › dictionary › signalSignal - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › signal

   A signal is a gesture or message that people use to communicate with each other. The wave you give a good friend to call her over from across the room and the impulse that transmits your voice through the telephone to your mother are both signals.

6. www.collinsdictionary.com › dictionary › englishSIGNAL definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

   • Cached

   anything that serves to indicate, warn, direct, command, or the like, as a light, a gesture, an act, etc. a traffic signal. a signal to leave. 2. anything agreed upon or understood as the occasion for concerted action. 3. an act, event, or the like that causes or incites some action.

7. www.oxfordlearnersdictionaries.com › definitionsignal noun - Definition, pictures, pronunciation and usage ...

   www.oxfordlearnersdictionaries.com › definition

   • Cached

   a series of electrical waves that carry sounds, pictures or messages, for example to a radio, television or mobile phone. radio signals. TV signals. a digital signal. a high-frequency signal. a radar signal. to emit a signal. to detect/pick up signals. I couldn't get a signal on my phone.

8. dictionary.cambridge.org › learner-english › signalSIGNAL | meaning - Cambridge Learner's Dictionary

   dictionary.cambridge.org › learner-english › signal

   • Cached

   SIGNAL definition: 1. a movement, light, or sound that gives information, or tells people what to do: 2. a series of…. Learn more.