Remainder
In Leviticus 6:16, 'Aaron and his sons eating the remainder' signifies a person's reciprocation and making something one's own. This represents conjunction by means of love and charity. This is why they were commanded to eat it 'in a holy place.'
(Odkazy: Arcana Coelestia 2177)
Numbers 15:20
20
Of the first of your dough you shall offer up a cake for a wave offering: as the wave offering of the threshing floor, so you shall heave it.