wellhole

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.

wellhole - Similar Words

well-hole well-house whole wellhead welldone welldoer well-chosen felloe well-head well-doer