From manah; properly, something weighed out, i.e. (generally) a division; specifically (of food) a ration; also a lot -- such things as belonged, part, portion.
KJV: And Moses took the breast, and waved it for a wave offering before the LORD: for of the ram of consecration it was Moses' part; as the LORD commanded Moses.
NASB: Moses also took the breast and presented it for a wave offering before the LORD; it was Moses' portion of the ram of ordination, just as the LORD had commanded Moses.