Wigwag

['wɪgwæg]

(verb.) signal by or as if by a flag or light waved according to a code.

(verb.) send a signal by waving a flag or a light according to a certain code.

校對:佩里--From WordNet

(v. t.) To signal by means of a flag waved from side to side according to a code adopted for the purpose.

伊夫林整理

v.i. to twist about to signal by means of flags.—adj. twisting.—adv. to and fro.

校對:贾斯廷