Providers of oxygen to earth's atmosphere – Crossword Clue

What TREES means

1. nouna tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
2. nouna figure that branches from a single root
3. verbforce a person or an animal into a position from which he cannot escape

Where this clue appeared

Other clues for TREES

• Oak and teak
• Psithurism, n. "The sound of wind whispering through ___"
• Dendrology: the study of ___
• Nesting sites
• The Lorax speaks for them, so he says
• Things that families and forests both have