semaphore any of various types of signaling systems using flags, mechanical arms, etc. —semaphorist, n. —semaphoric, semaphorical, adj. telelograph a modified version of the semaphore, introduced at the end of the eighteenth century. vexillary a standard bearer. vexillology the study of flags and flag design. —vexillologist, n. —vexillological, adj. vexillum 1. a military Standard or banner carried by ancient Roman troops. 2. the men serving under such a banner.
- plural form of flag