Open English Wordnet
Nouns
(n)graina relatively small granular particle of a substance“a grain of sand”,
“a grain of sugar” (n)grainthe side of leather from which the hair has been removed (n)grain1/60 dram; equals an avoirdupois grain or 64.799 milligrams (n)grain1/7000 pound; equals a troy grain or 64.799 milligrams (n)grain, caryopsisdry seed-like fruit produced by the cereal grasses: e.g. wheat, barley, Indian corn (n)graina cereal grass“wheat is a grain that is grown in Kansas” (n)grainthe smallest possible unit of anything“there was a grain of truth in what he said”,
“he does not have a grain of sense” (n)grainthe direction, texture, or pattern of fibers found in wood or leather or stone or in a woven fabric“saw the board across the grain” (n)texture, grainthe physical composition of something (especially with respect to the size and shape of the small constituents of a substance)“breadfruit has the same texture as bread”,
“sand of a fine grain”,
“fish with a delicate flavor and texture”,
“a stone of coarse grain” Verbs
(v)ingrain, grainthoroughly work in“His hands were grained with dirt” (v)grainpaint (a surface) to make it look like stone or wood