(zoology) A genus in the family Acaridae including many species of small mites.
1658: water strongly boiled; wherein the Seeds are extinguished by fire and decoction, and therefore last long and pure without such alteration, affording neither uliginous coats, gnatworms, Acari, hairworms, like crude and common water — Sir Thomas Browne, The Garden of Cyrus (Folio Society 2007, p. 205)
