Cases of word usage

1) a covered building used for storing hay, grain etc on a farm (barn)

2) the outer covering (husks) of grain (wheat, rye etc) separated from flour (bran)

3) any kind of grain used for food (cereal)

4) the inner part of an ear of maize on which the grain grows (cob)

5) a kind of machine that reaps and threshes grain (grain harvester)

6) a storehouse for grain (granary)

7) (the season for) the cutting and gathering in of grain and other food crops; quantity obtained (harvest)

8) the dry outer covering of a seed, especially grain (husk)

9) the softer, inner part (of a hut or fruit-stone); an inside part of a seed, e.g. a grain of wheat (kernel)

10) grain (usually barley), used to make beer etc (malt)