prō-cŭbo, āre, 1, v. n.,
to lie stretched out , to lie along (poet.): ubi saxea procubet umbra, Verg. G. 3, 145: procubat horrendus Getico Gradivus in Haemo, Claud. Consol. Prob. et Olyb. 119.
prō-cubō —, —, āre, to lie stretched out: ubi saxea procubet umbra, V. ...
An Elementary Latin Dictionary