Theory:

Glossary of difficult words from the poem "On Killing a Tree":
  
No.
Words
Meanings
1
jabpoke roughly or quickly, especially with something sharp or pointed
2
crusta hardened layer, coating, or deposit on the surface of something soft
3
leprousrelating to a skin disease caused by infection, where the skin appears scaly
4
hidea thick, strong skin used to conceal oneself
5
hackcut with rough or heavy blows
6
chopcut (something) into pieces with repeated sharp blows of an axe or knife
7
miniaturevery small of its kind
8
boughsa main branch of a tree
9
anchoringprovide with a firm basis or foundation
10
snappedbreak suddenly and completely, typically with a sharp cracking sound
11
scorchingvery hot, blazing
12
chokingprevent (a plant) from growing by depriving it of light, air, or nourishment
13
witheringbecome dry and wrinkled