Numbers 15:20 in the World English Bible
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.
Context
19 Then it shall be, that, when ye eat of the bread of the land, ye shall offer up an heave offering unto the LORD.
20 Ye shall offer up a cake of the first of your dough for an heave offering: as ye do the heave offering of the threshingfloor, so shall ye heave it.
21 Of the first of your dough ye shall give unto the LORD an heave offering in your generations.