2. To form grains, or to assume a granular form, as the result of crystallization; to granulate.
Grain
(Grain) n. [See Groin a part of the body.]
1. A branch of a tree; a stalk or stem of a plant. [Obs.] G. Douglas.
2. A tine, prong, or fork. Specifically: (a) One the branches of a valley or of a river. (b) pl. An iron
fish spear or harpoon, having four or more barbed points.
3. A blade of a sword, knife, etc.
4. (Founding) A thin piece of metal, used in a mold to steady a core.