a. and sb. Zool. [f. ACARID-E + -AN.] Of or belonging to the Acaridæ or mites. subst. A member of the mite family.
1835. Kirby, Habits & Inst. of An., II. xix. 306. The bat is infested by another parasite, placed by Dr. Leach at the end of the Acaridans.
