Citigrada
Citigrada , noun, plural
[New Latin, from Latin citus swift (past participle of cire, ciere, to move) + gradi to walk. See Cite.]
(Zoology) 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.
Also: Citigradae