afforest
verb /əˈfɒrɪst/
  /əˈfɔːrɪst/
[usually passive] (specialist)Verb Forms
| present simple I / you / we / they afforest |  /əˈfɒrɪst/  /əˈfɔːrɪst/ | 
| he / she / it afforests |  /əˈfɒrɪsts/  /əˈfɔːrɪsts/ | 
| past simple afforested |  /əˈfɒrɪstɪd/  /əˈfɔːrɪstɪd/ | 
| past participle afforested |  /əˈfɒrɪstɪd/  /əˈfɔːrɪstɪd/ | 
| -ing form afforesting |  /əˈfɒrɪstɪŋ/  /əˈfɔːrɪstɪŋ/ | 
- to plant areas of land with trees in order to form a forest- be afforested Large areas are being afforested each year.