(OS grid ref TQ8876) A village on the Isle of Grain, Medway borough, Kent, England .

(uncountable) The harvested seeds of various grass food crops eg: wheat, corn, barley.

(uncountable) Similar seeds from any food crop, e.g., buckwheat, amaranth, quinoa.

(countable) A single seed of grass food crops.

(countable, uncountable) The crops from which grain is harvested.

(uncountable) A linear texture of a material or surface.

(countable) A single particle of a substance.

(countable) A small unit of mass that has been standardized at different places and times, including the english grain, the metric grain, and the historical french grain.

(countable, chiefly historical) Any of various small units of length originally notionally based on a grain's width, variously standardized at different places and times.

(countable, historical) The carat grain of 1⁄4 carat as a measure of gold purity, creating a 96-point scale between 0% and 100% purity.

(materials) A region within a material having a single crystal structure or direction.

(astronautics) The solid piece of fuel in an individual solid-fuel rocket engine.

A reddish dye made from the coccus insect, or kermes; hence, a red color of any tint or hue, as crimson, scarlet, etc.; sometimes used by the poets as equivalent to Tyrian purple.

The hair side of a piece of leather, or the marking on that side.

(in the plural) The remains of grain, etc., after brewing or distillation; hence, any residuum.

(botany) A rounded prominence on the back of a sepal, as in the common dock.

Temper; natural disposition; inclination.

(photography, videography) Visual texture in processed photographic film due to the presence of small particles of a metallic silver, or dye clouds, developed from silver halide that have received enough photons.

A branch of a tree; a stalk or stem of a plant.

A noun "grain" represents a tine, prong, or fork, as well as one of the branches of a valley or river, an iron fish spear or harpoon, and a blade of a sword, knife, etc.

(founding) A thin piece of metal, used in a mould to steady a core.

To feed grain to.

(transitive) To make granular; to form into grains.

(intransitive) To form grains, or to assume a granular form, as the result of crystallization; to granulate.

To texture a surface in imitation of the grain of a substance such as wood.

(tanning) To remove the hair or fat from a skin.

(tanning) To soften leather.

To yield fruit.