from The American Heritage Dictionary of the English Language, 4th Edition
An indicator, such as a gesture or colored light, that serves as a means of communication. See Synonyms at gesture.
from The American Heritage Dictionary of the English Language, 4th Edition
Electronics An impulse or a fluctuating electric quantity, such as voltage, current, or electric field strength, whose variations represent coded information.
from The American Heritage Dictionary of the English Language, 4th Edition
Something that incites action: The peace treaty was the signal for celebration.
from The American Heritage Dictionary of the English Language, 4th Edition
The sound, image, or message transmitted or received in telegraphy, telephony, radio, television, or radar.
from The American Heritage Dictionary of the English Language, 4th Edition
verb-transitive
To make a signal to: I signaled the driver to proceed.
from The American Heritage Dictionary of the English Language, 4th Edition
To relate or make known by signals: They have signaled their willingness to negotiate.
from The American Heritage Dictionary of the English Language, 4th Edition
verb
To notify by a signal .
from Free Scrabble Dictionary
To communicate or indicate by or as if by .
from Free Scrabble Dictionary
To constitute a characteristic feature of (a meaningful linguistic form).
from Free Scrabble Dictionary
To make or send a signal.
from Free Scrabble Dictionary
adjective
Notably out of the ordinary: a signal feat; a signal event.
from The American Heritage Dictionary of the English Language, 4th Edition
Distinguished from the ordinary .
from Free Scrabble Dictionary
verb-intransitive
To make a signal or signals.
from The American Heritage Dictionary of the English Language, 4th Edition
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