noun
Any of a number of mechanical or electrical devices which cause a component to oscillate between two states.
(US, military, historical) A signal sent by waving a flag to and fro.
verb
To move gently in one direction and then another; to wig or wiggle, to wag or waggle.
An act of wigwagging.
To oscillate between two states.
(US, military, historical) To send a signal by waving a flag to and fro.
adverb
With a wigwagging or to-and-fro motion.