Citigradae \Cit`i*gra"d[ae]\, n. pl. [NL., fr. L. citus swift (p. p. of cire, ciere, to move) + gradi to walk. See {Cite}.] (Zool.) 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}. [1913 Webster]