Gerah
A gerah (Hebrew: גרה, romanized: gêrāh) is an ancient Hebrew unit of weight and currency, which, according to the Torah (Exodus 30:13, Leviticus 27:25, Numbers 3:47, 18:16), was equivalent to 1⁄20 of a standard "sacred" shekel. A gerah is known in Aramaic, and usually in Rabbinic literature, as a ma'ah (מעה; Mishnah Hebrew pl.