Cases of word usage

1) (the wood of) a kind of forest tree with a smooth bark and thin branches (birch)

2) an open space from which trees have been cleared in a forest (clearing)

3) a border of loose threads, e.g. on a rug; an edge (of a crowd, forest etc) (fringe)

4) a clear, open space in a forest (glade)

5) (land covered with) a thick forest with tall trees and lots of bushes and plants (jungle)

6) (North America) a policeman on horseback; a forest keeper (ranger)