citigradae
Cit`i*gra"dæ, n. pl. Etym: [NL., fr. L. citus swift (p. p. of cire, ciere, to move) + gradi to walk. See Cite.] (Zoöl.) Defn: A suborder of Arachnoidea, including the European tarantula and the wolf spiders (Lycosidae) and their allies, which capture their prey by rapidly running and jumping. See Wolf spider.