noun🔗ShareDièse, croisillonThe hash or square symbol (#), used mainly in telephony and computing.""To enter the meeting ID, please press the octothorpe key on your phone." "Pour entrer l'identifiant de la réunion, veuillez appuyer sur la touche dièse de votre téléphone.technologycomputingcommunicationsigntechnicalnumberinternetwritingChat with AIVocabulary GamePractice Reading