Lewis Short
piscor, ātus, 1
* V. dep. n. [piscis], to fish: ut ante suos hortulos piscarentur,Cic. Off. 3, 14, 58: piscemur, venemur,Hor. Ep. 1, 6, 57: animi laxandi causā piscabatur hamo,Suet. Aug. 83: piscatus est rete aurato,id. Ner. 30: retia in piscando durantia,Plin. 19, 1, 2, § 15: vado piscari,Vulg. Johan. 21, 3.—Prov.: piscari in aëre,to give one's self useless trouble, to labor in vain,Plaut. As. 1, 1, 86: piscari aureo hamo, to risk more than the game is worth: minima commoda non minimo sectantis discrimine similes aiebat esse aureo hamo piscantibus, cujus abrupti damnum nullā capturā pensari potest,Suet. Aug. 25 fin.
Charlton T. Lewis, Charles Short, A Latin Dictionary