PRACTICE Copy link • PRACTICEusus: exercitatio: usus et consuetude. To grow so expert by practice that, in eam se consuetudinem adducere, ut (Caes., B.G., 4, 1): in practice, inter agendum; in agendo: plur., practices, i. e., arts, artes; machinae; callida consilia, plur. As opposed to theory, usus rerum: usus et tractatio rerum: prudentia (skill). To have learned more by practice than by theory, minus in studio, quam in rebus et usu versatum esse: one must join theory and practice together, discas oportet, et quod didicisti agendo confirmes: the practice of a physician, medicinae usus et tractatio; of a barrister, causarum actio: to have an extensive practice, a multis consuli (of a physician); multas causas actitare (of a lawyer): to leave off practice, curandi finem facere (of a physician); causas agere desinere (of a lawyer).