TYMPANUM
kettle, kettledrum, tympanum, tympani, timpani
(noun) a large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it
eardrum, tympanum, tympanic membrane, myringa
(noun) the membrane in the ear that vibrates to sound
Source: WordNet® 3.1
Etymology
Noun
tympanum (plural tympanums or tympana)
(architecture) A triangular space between the sides of a pediment.
(architecture) The space within an arch, and above a lintel or a subordinate arch, spanning the opening below the arch.
The middle ear.
The eardrum.
(anatomy) A hearing organ in frogs, toads and some insects.
(anatomy) In certain birds, the labyrinth at the bottom of the windpipe.
(engineering) 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.
Source: Wiktionary
Tym"pa*num, n.; pl. E. Tympanums, L. Tympana. Etym: [L., a kettledrum, a drum or wheel in machines, the triangular area in a pediment, the panel of a door, Gr. Type, and cf. Timbrel.]
1. (Anat.) (a) The ear drum, or middle ear. Sometimes applied incorrectly to the tympanic membrane. See Ear. (b) A chamber in the anterior part of the syrinx of birds.
2. (Zoöl.)
Definition: One of the naked, inflatable air sacs on the neck of the prairie chicken and other species of grouse.
3. (Arch.) (a) The recessed face of a pediment within the frame made by the upper and lower cornices, being usually a triangular space or table. (b) The space within an arch, and above a lintel or a subordinate arch, spanning the opening below the arch.
4. (Mech.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition
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16 November 2024
LEAVE
(verb) go and leave behind, either intentionally or by neglect or forgetfulness; “She left a mess when she moved out”; “His good luck finally left him”; “her husband left her after 20 years of marriage”; “she wept thinking she had been left behind”
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