separation in wood fibers; narrow breaks or fissures in stems or branches. If severe. may result in tree or branch failure.
cracks (Wikipedia)
Look up crack in Wiktionary, the free dictionary.
Crack frequently refers to:
- Crack, a fracture in a body
- Crack, a fracture (geology) in a rock
- Crack, short for crack cocaine
Crack(s) or The Crack may also refer to: