Having a rough grain or fiber. / (by extension, figuratively) Having coarse traits of character; not polished or refined.

Consisting of coarse particles. / Having a coarse, irregular texture. / (figuratively) inelegant; gross.

Consisting of fine particles. / Having a fine, smooth texture. / (figuratively) Highly detailed.

(woodworking, of sanding or planing a piece of wood) Preventing a smooth, level surface from being formed by raising the nap of the wood or causing larger splinters to form ahead of the cutting tool below the cutting surface.

An internal interface that separates neighbouring misoriented single crystals in a polycrystalline solid.

(agriculture, Canada, US) A large structure for the storage of grain. It is more specialized than a regular granary in that in uses an elevating mechanism to hold the grain in one of many different bins, and that it it designed to fill large trucks and train cars for shipping grain in bulk.

Whisky made from unmalted barley mixed with maize or rye.

(botany) A single male reproductive particle of which the pollen of a plant consists.

(of timber) Having an irregular rather than a parallel grain. / (by extension) Difficult to deal with; contrary or troublesome.

The grain of timber which is transverse to the annular rings or plates; the direction of the medullary rays in oak and some other timbers.