Signal Definition
sĭgnəl
signaled, signaling, signalled, signalling, signals
noun
signals
A token or indication.
Webster's New World
A sign or event fixed or understood as the occasion for prearranged combined action.
A bugle signal to attack.
Webster's New World
A message communicated by such means.
American Heritage
A sign given by gesture, sound or call, flashing light, etc.
Webster's New World
Anything which occasions a certain action or response.
Webster's New World
adjective
Not average or ordinary; remarkable; notable.
Webster's New World
Used as a signal or in signaling.
Webster's New World
Standing above others in rank, importance, or achievement.
A signal exploit; a signal service; a signal act of benevolence.
Wiktionary
Synonyms:
verb
signaled, signaling, signalled, signalling, signals
To make a signal or signals.
Webster's New World
To make known or communicate (information) by signals.
Webster's New World
To make a signal or signals to.
Webster's New World
To cause an effect in (a cell) by the release of a chemical, such as a neurotransmitter or hormone.
American Heritage
Origin of Signal
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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 sign
From American Heritage Dictionary of the English Language, 5th Edition
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From Old French segnal, seignal or Medieval Latin signāle, noun use of the neuter of Late Latin signālis, from Latin signum.
From Wiktionary
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