Căpĭto, ōnis, m.,
a Roman cognomen , Atteius Capito; v. Atteius.; esp. in the gens Sestia; v. Fast. Capitol. ap. Grut. 289; and sarcastically, a name given to parasites , Plaut. Pers. 1, 2, 8; v. the commentt. ad h. l.
capitō ōnis, m caput, one that has a large head, big-headed . ...
An Elementary Latin Dictionary