Cases of word usage

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

2) an obstacle built across a river to store water for irrigation (barrage)

3) (the fur of) a kind of animal that lives on land and in water and makes dams across rivers (beaver)

4) a game in which a large bowl is rolled across grass (bowls)

5) a raised road or footpath, especially across wet land (causeway)

6) (a drawing of) a piece or slice made by cutting across e.g. a tree trunk (cross-section)

7) (a line) going across (a straight-sided figure, e.g. an oblong) from corner to corner; slanting (diagonal)

8) (to cross a river using) a shallow place where it is possible to walk or drive across (ford)

9) one of the metal ridges across the neck of a guitar, banjo etc (fret)

10) a framework of wooden or metal bars placed across an opening such as a window, used to keep out burglars or to allow air to flow through (grating)