Lexical Definition

‎גֵּרָה‎ gêrâh (gay-raw') gerah H:N-F
from ‎גָּרַר‎ (as in ‎גֵּרָה‎); properly, (like ‎גַּרְגַּר‎) a kernel (round as if scraped), i.e.

gerah.

1) gerah, a weight, a 20th part of a shekel, equal to the weight of 16 barley grains or 4 to 5 carob beans

Usage: 3 forms in 5 verses
Form Translated As     In Verse(s)
גֵּרָה֙ gerah Exod.30.13
גֵּרָ֖ה gerah Lev.27.25Num.3.47Num.18.16
גֵּרָ֑ה gerah Ezek.45.12

Brown-Driver-Briggs

II. ‎גֵּרָה‎ noun feminine a weight, 20th part of shekel, gerah (Assyrian girû, ZehnpfBAS i. 506) — ‎גֵּרָה‎ Exod 30:13 + 4 t. — Only in definition of ‎שֶׁקֶל‎, with number ‎עֶשְׂרִים‎ Exod 30:13; Lev 27:25; Num 3:47; Num 18:16; Ezek 45:12.

Brown-Driver-Briggs References

Book Refs
Exodus 30:13
Leviticus 27:25
Numbers 3:47 · 18:16
Ezekiel 45:12