Strong's Definition
from 1234; a section (half) of a shekel, i.e. a beka (a weight and a coin)
KJV Usage: bekah, half a shekel
STEPBible — Tyndale Abridged Hebrew Lexicon
בֶּ֫קַע (be.qa) — bekah. 1) half, part also called "shekel of the sanctuary" or "holy shekel" 2) half a shekel (meton) There appears to be at least three different shekels, one of silver, gold and copper. See a Bible Dictionary for a complete treatment of the subject.
UBS Dictionary of Biblical Hebrew
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
בֶּ֫קַע n.[m.] fraction, half, i.e. half-shekel, a weight base