from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. Present participle of retreat.
from The Century Dictionary and Cyclopedia
- n. The act denoted by the verb retreat.
- n. Specifically, in mining, a process by which a vein is untouched until after all the gangways, etc., are driven, when the mineral extraction begins at the boundary and progresses toward the shaft.
Sorry, no etymologies found.