gerro, (archaic orthogr.: ‡ cerrones leves et inepti, Paul. ex Fest. v. p. 40 Müll.), ōnis, m. [gerrae],
a trifler , idle fellow : gerro, iners, fraus, heluo, Ganeo, damnosus! Ter. Heaut. 1033.
gerrō (ōnis), m gerrae, trifles, a trifler , T. ...
An Elementary Latin Dictionary