noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The section of rock that extends above a diagonal fault line (the corresponding lower section being the footwall).
2. 2
   the upper wall of an inclined fault wordnet
3. 3
   the upper wall of inclined vein, or that which hangs over the miner's head when working in the vein.

Antonyms

All antonyms

footwall