Enter a clue or pattern or both:
The Clue
Permeable parts of trees (8 letter answer)
The Answer
SAPWOODS
Tags
Notes
The answer SAPWOODS is so rare that it appears less than once every 2500 puzzles.
Definition
SAPWOOD as a noun:
1. newly formed outer wood lying between the cambium and the heartwood of a tree or woody plant; usually light colored; active in water conduction