Lewis Short
(verb) : per-cŏquo, xi, ctum, 3
* To boil or cook thoroughly, boil soft.
* Lit.: prandium,Plaut. Merc. 3, 3, 18: bubulas carnes,Plin. 23, 7, 64, § 127: lens non bene percocta,id. 22, 25, 70, § 142.—Prov.: In digitis hodie percoquam quod ceperit,Plaut. Rud. 4, 1, 11.
* Transf.
* To heat: umorem,Lucr. 6, 858: terram,id. 5, 1254.
* To ripen: mora percoquit uvas,Ov. R. Am. 83: sol percoquit fructus,Sen. Ben. 7, 31, 3: messem,Plin. Ep. 5, 6, 8.
* To scorch, to blacken by the heat of the sun: nigra virum percocto saecla colore,Lucr. 6, 722.
Charlton T. Lewis, Charles Short, A Latin Dictionary