1. unity (an area extending without interruption)

2. vassal (a man bound to perpetual service to a king or similar lord, especially as a) man-at-arms or bodyguard (chiefly historical)

3. continuo (one of the 100 or so men-at-arms who formed the Spanish and Portuguese kings' perpetual personal guard) (historical)

4. continuo (basso continuo) (music)