The Collaborative International Dictionary of English v.0.48:
acarine \ac"a*rine\ ([a^]k"[.a]*r[i^]n), a. (Med.) Of or caused by acari (acarids, or mites); as, acarine diseases. [1913 Webster + AS]The Collaborative International Dictionary of English v.0.48:
acarine \ac"a*rine\ ([a^]k"[.a]*r[=e]n), n. (Med.) A member of the order Acarina. [PJC]WordNet (r) 3.0 (2006):
acarine n 1: mite or tick