semaphore

 
Pronunciation: /ˈsɛməfɔː/

noun

[mass noun]
  • a system of sending messages by holding the arms or two flags or poles in certain positions according to an alphabetic code: if you learn semaphore or the Morse code, you’ll have a fun way to send messages
  • [count noun] an apparatus for sending messages by semaphore, consisting of an upright with movable parts: the room was long enough to need a semaphore to signal from one end to the other
  • [count noun] a signal sent by semaphore: figurative I saw Edward jumping up and down, performing an elaborate semaphore with his hat

verb

[with object]
  • send (a message) by semaphore or by signals resembling semaphore: Josh stands facing the rear and semaphoring the driver’s intentions to frustrated queues of following cars

Derivatives

semaphoric

Pronunciation: /-ˈfɒrɪk/
adjective

semaphorically

Pronunciation: /-ˈfɒrɪk(ə)li/
adverb

Origin:

early 19th century (denoting a signalling apparatus): from French sémaphore, formed irregularly from Greek sēma 'sign' + -phoros

Spelling help

Spell semaphore with -ph- in the middle.