forest
noun /ˈfɒrɪst/
  /ˈfɔːrɪst/
Idioms 
enlarge image[countable, uncountable] a large area of land that is thickly covered with trees- a tropical/pine forest
 - One careless match can start a forest fire.
 - Thousands of hectares of forest are destroyed each year.
 - the forest floor/canopy
 
Extra ExamplesTopics Geographya2- Forest is being cleared to make way for new farming land.
 - He warned her never to enter the forest at night.
 - Much of Europe was once covered in forest.
 - They got lost in the forest.
 - Thick forest stretched as far as the eye could see.
 - We slashed our way through the dense forest.
 - a large stretch of virgin forest
 - The species is found in both coniferous and deciduous forests.
 
Oxford Collocations Dictionaryadjective- dense
 - thick
 - impenetrable
 - …
 
- stretch
 - tract
 
- plant
 - clear
 - cut down
 - …
 
- stretch
 - surround
 
- tree
 - floor
 - canopy
 - …
 
- in a/the forest
 - through a/the forest
 
- the edge of the forest
 - the heart of the forest
 - the middle of the forest
 - …
 
- [countable] forest (of something) a mass of tall narrow objects that are close together
- a forest of cranes on the skyline
 
 
Word OriginMiddle English (in the sense ‘wooded area kept for hunting’, also denoting any uncultivated land): via Old French from late Latin forestis (silva) , literally ‘(wood) outside’, from Latin foris ‘outside’, from fores ‘door’.
Idioms 
not see the forest for the trees (North American English) 
(British English not see the wood for the trees)
- to not see or understand the main point about something, because you are paying too much attention to small details
 
