Meaning of SEMAPHORE in English

SEMAPHORE

n. & v.

--n.

1. Mil. etc. a system of sending messages by holding the arms or two flags in certain positions according to an alphabetic code.

2 a signalling apparatus consisting of a post with a movable arm or arms, lanterns, etc., for use (esp. on railways) by day or night.

--v.intr. & tr. signal or send by semaphore.

Derivatives:

semaphoric adj. semaphorically adv.

Etymology: F s{eacute}maphore, irreg. f. Gk sema sign + -phoros -PHORE

Oxford English vocab.      Оксфордский английский словарь.