(phonology) Any of two or more alternative pronunciations for a phoneme.

(Canada) A person whose mother tongue is neither English, French, nor (sometimes) an indigenous language of Canada.

A person whose mother tongue is one other than that spoken by the majority.

(Canada) Of or relating to those whose mother tongue is neither English, French, nor (sometimes) an indigenous language of Canada.

That which is of a language other than that spoken by the majority.