jŏcŭlor, āri [joculus],
to jest, joke; only in part. pres. : incondita quaedam joculantes, Liv. 7, 10, 13.—Hence, adv.: jŏcŭlanter , jestingly, jokingly : compellare, Sid. Ep. 1, 2.
(ioculor) —, ārī ioculus, to jest, joke ; only P. praes. : quaedam militariter ioculantes, L. ...
An Elementary Latin Dictionary