உமிசம்

கணு. Loc. 2. Notch; உம்மிசம். 1. Groove in the frame work of a jewel in which stones are to be set;

Tamil Lexicon

umicam
n.
1. Groove in the frame work of a jewel in which stones are to be set;
உம்மிசம்.

2. Notch;
கணு. Loc.

DSAL