Lexical Definition

‎גֹּמֶד‎ gômed (go'-med) short cubit ^H:N-M
from an unused root apparently meaning to grasp

cubit.

• properly, a span

1) cubit
2) (CLBL) half-cubit-the measure between a cubit and a span-9 in (20 cm)

Brown-Driver-Briggs

‎גֹּ֫מֶד‎ noun masculine cubit (from elbow to knuckles of clenched (contracted) hand; Aq on Ezek 27:11, Ra and others; Greek πυγμή; Late Hebrew ‎גּוֺמֶד‎ cubit; so Aramaic ‎גַּרְמִידָא‎ ChWB^{1. 155}, (lexicons)) — Judg 3:16 of Ehud's sword ‎אָרְכָּהּ‎ ‎׳‎‎ג‎ (see GFM).

Brown-Driver-Briggs References