woodhole
/ˈwʊdhoʊl/Definitions
1. noun
A hole drilled in a tree for the purpose of taking a sample of the wood to determine its quality or to extract resin.
“The forester used a specialized tool to extract a sample from the woodhole.”
2. noun
A hole or depression in the ground, typically caused by the collapse of a tree root or other underground structure.
“The hiker fell into a woodhole and twisted her ankle.”