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The ear drum, or middle ear. Sometimes applied
incorrectly to the tympanic membrane. See Ear. |
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A chamber in the anterior part of the syrinx of birds. |
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One of the naked, inflatable air sacs on the neck of the
prairie chicken and other species of grouse. |
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The recessed face of a pediment within the frame made by
the upper and lower cornices, being usually a triangular space or
table. |
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The space within an arch, and above a lintel or a
subordinate arch, spanning the opening below the arch. |
| • |
A drum-shaped wheel with spirally curved partitions by
which water is raised to the axis when the wheel revolves with the
lower part of the circumference submerged, -- used for raising water,
as for irrigation. |
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