bn:00070406n
Noun Concept
Categories: Scoutcraft, Optical communications, Articles with short description, Signal flags, Nonverbal communication
EN
semaphore  flag semaphore  Coast Guard signalman  Flag semaphore code  Flag semaphore codes
EN
An apparatus for visual signaling with lights or mechanically moving arms WordNet 3.0
English:
communications
communication
Definitions
Relations
Sources
EN
An apparatus for visual signaling with lights or mechanically moving arms WordNet 3.0 & Open English WordNet
Flag semaphore is a semaphore system conveying information at a distance by means of visual signals with hand-held flags, rods, disks, paddles, or occasionally bare or gloved hands. Wikipedia
Telegraphy system conveying information at a distance by means of visual signals Wikidata
A form of telegraphy, using hand-held flags or similar, typically used at sea. Wiktionary