1. noun /ˈmɛʒə/
a) The quantity, size, weight, distance or capacity of a substance compared to a designated standard.
a measure of salt
The unwise man never knows the measure of his stomach. — from the
2. verb /ˈmɛʒə/
a) To ascertain the quantity of a unit of material via calculated comparison with respect to a standard.
b) To estimate the unit size of something.
Wikipedia foundation.