[mass noun]a system of sending messages by holding the arms or two flags or poles in certain positions according to an alphabetic code 信号;旗语 ■[count noun]an apparatus for signalling in this way, consisting of an upright with movable parts 臂板信号装置 ■[count noun]a signal sent by semaphore 旗语信号
verb
[with obj.]send (a message) by semaphore or by signals resembling semaphore 用旗语发出(信息) Josh stands facing the rear and semaphoring the driver's intentions to frustrated queues of following cars. 乔希面向后方站立,用旗语向后面受阻的车流示意司机的意图。
派生 semaphoric adjective semaphorically adverb 语源
early 19th cent. (denoting a signalling apparatus): from French sémaphore, formed irregularly from Greek sēma 'sign' + -phoros