Arctisca — Arc*tis ca, n. pl. [NL., fr. Gr. ? bear.] (Zo[ o]l.) A group of Arachnida. See Illust. in Appendix. [1913 Webster] … The Collaborative International Dictionary of English
arctisca — ärkˈtiskə Etymology: New Latin, from Greek arktos bear synonym of tardigrada … Useful english dictionary