n: a speech sound that consists of either two vowels or a vowel and a semi-vowel contained in a single syllable.
n: the study of human speech, especially its components, structure, and nature, and how it changes.
n: a dialect other than the standard dialect of a language, especially a regional or uneducated form of speech. 2. The distinctive language of a particualr group; jargon.
adj: consisting of many groups speaking different languages. 2. speaking many different languages.
n: the ungrammatical usage of a word or construction of a sentence. 2. a violation of good manner or good taste.