WordReference Random House Unabridged Dictionary of American English © 2025
gra•ben
(grä′bən),USA pronunciation n.
- Geologya portion of the earth's crust, bounded on at least two sides by faults, that has dropped downward in relation to adjacent portions. Also called rift valley. Cf. horst.
- German: ditch
- 1895–1900
'graben' also found in these entries (note: many are not synonyms or translations):