grain /ˈgreɪn/ noun
plural grains
plural grains
Learner's definition of GRAIN
[noncount] : the seeds of plants (such as wheat, corn, and rice) that are used for food
also [count] : a single seed of wheat, corn, rice, etc.
: a plant that produces grain
: a small, hard piece of something see also take (something) with a grain of salt at 1salt
: a very small amount of something
: the way the lines or fibers in something (such as wood) are arranged usually singular
: the way that the surface of something feels when it is touched usually singular
[count] : a unit of weight equal to 0.0648 grams

against the grain

◊ To be/go against the grain is to be different or to act in a way that is different from what is normal or usual.
◊ If something goes against your grain, it does not seem right or natural to you.

— grained

/ˈgreɪnd/ adjective