Cases of word usage

1) posts with a piece across the top on the outer edge of a staircase (banister)

2) the outer covering of a tree (bark)

3) an outer covering for the food and ankle, made of leather or rubber (boot)

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

5) ring of leaves (called sepals) forming the outer support of the petals of an unopened flower-bud (calyx)

6) the outer covering (husks) of grain, removed before the brain is used (chaff)

7) a loose outer article of clothing without sleeves (cloak)

8) a covered walk, usually on the sides of an open courtyard, with a wall on the outer side and columns or arches on the inner side (cloister)

9) an outer article of clothing with sleeves, buttoned in the front (coat)

10) the light, brown, tough outer bark of a kind of tree (called the cork-oak) (cork)