'Wellhole' definitions:

Definition of 'Wellhole'

From: GCIDE
  • Wellhole \Well"hole`\, n. [1913 Webster]
  • 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. [1913 Webster]
  • 2. A cavity which receives a counterbalancing weight in certain mechanical contrivances, and is adapted also for other purposes. --W. M. Buchanan. [1913 Webster]