Dictionary

wellhole en · NOUN

Etymology

From well + hole.

Meanings

1. The open space in a floor, to accommodate a staircase.
2. The open space left beyond the ends of the steps of a staircase.
   • well-holes of the stairs and chimney 1846, W. M. Buchanan, The Dictionary of Science and Technical Terms Used in Philosophy, Literature...:
3. A cavity which receives a counterbalancing weight in certain mechanical contrivances, and is adapted also for other purposes.

Forms