from the GNU version of the Collaborative International Dictionary of English

  • n. a spirit level in which a glass-covered box is used instead of a tube.

from The Century Dictionary and Cyclopedia

  • n. A metallic box (generally circular) with a glass cover used as a spirit-level. The bubble of inclosed air is brought into coincidence with a circle engraved at the center of the cover.


Sorry, no etymologies found.


    Sorry, no example sentences found.


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