plural of quattuorvir

Any copepod within the family Caligidae (order Siphonostomatoida); a kind of marine ectoparasite that feeds on the mucus, epidermal tissue and blood of fishes.

(mineralogy) A plagioclase feldspar, the first member of the Albite-Anorthite solid solution series.

(fandom slang) A fictional character who one deeply relates to. / (fandom slang, in the form (character name) kin) Someone who relates deeply to a certain fictional character.