- an apparatus for conveying information by means of visual signals, as a light whose position may be changed.
- any of various devices for signaling by changing the position of a light, flag, etc.
- a system of signaling, especially a system by which a special flag is held in each hand and various positions of the arms indicate specific letters, numbers, etc.
- to signal by semaphore or by some system of flags.
Origin of semaphore
1810–20; < Greek sêma sign + -phore
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for semaphoric
Historical Examples of semaphoric
- an apparatus for conveying information by means of visual signals, as with movable arms or railway signals, flags, etc
- a system of signalling by holding a flag in each hand and moving the arms to designated positions to denote each letter of the alphabet
- to signal (information) by means of semaphore
Word Origin for semaphore
C19: via French, from Greek sēma a signal + -phore
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