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The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Vocalic \Vo*cal"ic\ (v[-o]*k[a^]l"[i^]k), a. [L. vocalis (sc. littera) a vowel. See Vocal , a.] Of or pertaining to vowel sounds; consisting of the vowel sounds. --Earle. The Gaelic language being uncommonly vocalic. --Sir W. Scott.

Wiktionary Word definitions in Wiktionary
a. Used as a vowel, as opposed to consonantal, especially in Latin. (''vocalic'' y)

WordNet Word definitions in WordNet
adj. being or containing or characterized by vowels; "vocalic sounds"; "the Gaelic language being uncommonly vocalic"- Walter Scott [ant: consonantal ] relating to or associated with or containing a vowel; "vocalic segments"; "the vocalic ablaut" of liquids ...