dēfensĭto, āvi, 1, v. a. freq. [defenso],
to defend often, to practise defending (perh, only in the foll. passages): haec non acrius accusavit in senectute, quam antea defensitaverat, Cic. Ac. 2 ( Luc. ), 22, 69; cf. ib. 2, 45, 139: causas, id. Brut. 26, 100; id. Off. 1, 33 fin.
dēfēnsitō āvī, —, āre, freq.defenso, to defend often, practise defending : causas: sententiam. ...
An Elementary Latin Dictionary