from the GNU version of the Collaborative International Dictionary of English
- n. A stop, usually the open diapason, having its pipes “shown” as part of the organ case, or otherwise specially mounted.
- n. A hole in the wall of a pottery kiln, by which the state of the pieces within can be judged.
from The Century Dictionary and Cyclopedia
- n. In organ-building, a stop whose pipes are mounted as a part of the visible organ-case, or otherwise set in a special position apart from the others; usually, the open diapason of the great organ. See also mounted cornet, under cornet, 1 .
- n. An opening in a kiln for pottery or porcelain through which the superintendent looks to judge of the progress of the baking.
Sorry, no etymologies found.