DICT.TW Dictionary Taiwan
3.145.54.210
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

From: Webster's Revised Unabridged Dictionary (1913)

 Up-o·ver, a. Mining & Civil Eng. Designating a method of shaft excavation by drifting to a point below, and then raising instead of sinking.
 ◄ ►