verb🔗ShareTo indicate; to convey or communicate by a signal."The teacher signaled the end of the test by ringing a bell. "communicationsignalactionsignChat with AIVocabulary GamePractice Reading
verb🔗ShareTo communicate with (a person or system) by a signal."Seeing the flames, he ran to the control room and signalled headquarters."communicationsignalsystemactiontechnologyChat with AIVocabulary GamePractice Reading
