Word

visual signal, n.

a signal that involves visual communication
<noun.communication>

visual signal

semantic pointers

hypernym

signal, sign, signaling

part holonym

visual communication

hyponym

watch fire light red light, warning light flare, flash flag, signal flag windsock, wind sock, sock, air sock, air-sleeve, wind sleeve, wind cone, drogue stake, post blinker, turn signal, turn indicator, trafficator armband rocket, skyrocket beacon, beacon fire stoplight, brake light barber's pole