Well"hole` (?), n.

1. Arch. (a)

The open space in a floor, to accommodate a staircase.

(b)

The open space left beyond the ends of the steps of a staircase.

2.

A cavity which receives a counterbalancing weight in certain mechanical contrivances, and is adapted also for other purposes.

W. M. Buchanan.

 

© Webster 1913.