释义 |
wellhole \ˈ ̷ ̷ˌ ̷ ̷\ noun 1. : the hole, pit, or shaft of a well 2. a. : the open space in a floor or through a series of floors for the accommodation of a staircase b. : the open space about which the stairs of a winding or circular staircase turn 3. : a cavity for movement of a counterbalance or similar mechanical device |