Definition of well hole in English:

well hole

noun ˈwɛl həʊl

1An opening through a floor or series of floors, especially one into which a staircase, chimney stack, etc., may be installed, or one which admits light.
2A central open space forming the vertical core around which the stairs of a winding or spiral staircase may be set. Also more generally: the whole shaft in which such a staircase is set; a stairwell.
3A vertical shaft in a building for a lift or for lifting equipment.
4A vertical hole or shaft in the ground; specifically the shaft or borehole of a well.

Origin

Mid 17th century. From well + hole.

Definition of well hole in US English:

well hole

nounˈwɛl həʊl

1An opening through a floor or series of floors, especially one into which a staircase, chimney stack, etc., may be installed, or one which admits light.
2A central open space forming the vertical core around which the stairs of a winding or spiral staircase may be set. Also more generally: the whole shaft in which such a staircase is set; a stairwell.
3A vertical shaft in a building for a lift or for lifting equipment.
4A vertical hole or shaft in the ground; specifically the shaft or borehole of a well.

Origin

Mid 17th century. From well + hole.

单词	well hole
释义	Definition of well hole in English: well hole noun ˈwɛl həʊl 1An opening through a floor or series of floors, especially one into which a staircase, chimney stack, etc., may be installed, or one which admits light. 2A central open space forming the vertical core around which the stairs of a winding or spiral staircase may be set. Also more generally: the whole shaft in which such a staircase is set; a stairwell. 3A vertical shaft in a building for a lift or for lifting equipment. 4A vertical hole or shaft in the ground; specifically the shaft or borehole of a well. Origin Mid 17th century. From well + hole. Definition of well hole in US English: well hole nounˈwɛl həʊl 1An opening through a floor or series of floors, especially one into which a staircase, chimney stack, etc., may be installed, or one which admits light. 2A central open space forming the vertical core around which the stairs of a winding or spiral staircase may be set. Also more generally: the whole shaft in which such a staircase is set; a stairwell. 3A vertical shaft in a building for a lift or for lifting equipment. 4A vertical hole or shaft in the ground; specifically the shaft or borehole of a well. Origin Mid 17th century. From well + hole.
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