A deep hole or excavation; a pit dug in the ground; spec. †a mine shaft (obsolete); †a tan-pit (obsolete); a hole from which peat has been dug. See…

An underground excavation. Obsolete.

An excavation of any kind; a pit or trench. Obsolete except in sense of a trench for earthing up potatoes and other roots.

A place where digging is carried on, an excavation; in plural (sometimes treated as a singular) applied to mines, and especially to the gold-fields…

An excavation or mine. Obsolete. rare.

A deep trench, or excavation. Obsolete.

The name applied to a class of ancient excavations, found chiefly in Essex and Kent in England, and in the Valley of the Somme in France…