visual signal

Noun visual signal has 1 sense

• visual signal(n = noun.communication) - a signal that involves visual communication;
is a kind of sign, signal, signaling
is a part of visual communication
has particulars: watch fire, light, red light, warning light, flare, flash, flag, signal flag, air-sleeve, air sock, drogue, sock, wind cone, wind sleeve, wind sock, windsock, post, stake, blinker, trafficator, turn indicator, turn signal, armband, rocket, skyrocket, beacon, beacon fire, brake light, stoplight, barber's pole