sciuroid,a.|saɪˈjʊərɔɪd| [f. L. sciūr-us(seeprec.) + -oid.] 1.Zool. Of or pertaining to the Sciuridæ, or squirrel-family. 1891in Century Dict. 2.Bot. ‘Curved and bushy, like a squirrel's tail’ (B. D. Jackson Gloss.Bot. Terms 1900). 1895in Funk's Stand.Dict.