Relating to the distal and lingual surfaces of a tooth; denoting the angle formed by their junction. ... (05 Mar 2000) ... 
(dis″to-ling´gwәl) pertaining to or formed by the distal and lingual surfaces of a tooth, or the distal and lingual walls of a tooth cavity preparation.
Type: Term Pronunciation: dis′tō-ling′gwăl Definitions: 1. Relating to the distal and lingual surfaces of a tooth; denoting the angle formed by their junction.