(countable) A very small unit of weight, in England equal to 1/480 of an ounce troy, 0.0648 grams or, to be more exact, 64.79891 milligrams (0.002285714 avoirdupois ounce). A carat grain or pearl grain is 1/4 carat or 50 milligrams. The old French grain was 1/9216 livre or 53.11 milligrams, and in the mesures usuelles permitted from 1812 to 1839, with the livre redefined as 500 grams, it was 54.25 milligrams.
(countable) A former unit of gold purity, also known as carat grain, equal to 1⁄4 "carat" (karat).
(materials) A region within a material having a single crystal structure or direction.
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.
(plural) The remains of grain, etc., after brewing or distillation; hence, any residuum. Also called draff.
(botany) A rounded prominence on the back of a sepal, as in the common dock.
