the instrument used to hold and revolve burs in dental operations.
A powered dental instrument held in the hand, used to hold rotary cutting, grinding, or polishing implements while they are being revolved. ... (05 Mar 2000) ... 
Type: Term Pronunciation: hand′pēs Definitions: 1. A powered dental instrument held in the hand, used to hold rotary cutting, grinding, or polishing implements while they revolve.