Entry 2 senses Webster, 1913 Vocalization · Vo·cal·i·za·tion · IPA /vəʊk(ə)lʌɪˈzeɪʃ(ə)n/ 01 n. The act of vocalizing, or the state of being vocalized. 1. The act of vocalizing, or the state of being vocalized. 2. The formation and utterance of vocal sounds.