- -an [ən, in, 'n][Fr -ain, -en < L -anus, of, belonging to; also directly < L] suffix forming adjectives and nouns1. (one) belonging to or having some relation to [diocesan]2. (one) born in or living in [Mexican]3. (one) believing in or following [Lutheran]4. -ICIAN: used to form nouns only
English World dictionary. V. Neufeldt. 2014.