Tympanum

Definition:

  • (n.) The ear drum, or middle ear. Sometimes applied incorrectly to the tympanic membrane. See Ear.
  • (n.) A chamber in the anterior part of the syrinx of birds.
  • (n.) One of the naked, inflatable air sacs on the neck of the prairie chicken and other species of grouse.
  • (n.) The recessed face of a pediment within the frame made by the upper and lower cornices, being usually a triangular space or table.
  • (n.) The space within an arch, and above a lintel or a subordinate arch, spanning the opening below the arch.
  • (n.) 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.

Compare tympanum with other words:

ovipositor vs. tympanum

tympani vs. tympanum

columella vs. tympanum

tympan vs. tympanum

irrigation vs. tympanum

submerge vs. tympanum

circumference vs. tympanum

revolve vs. tympanum

axis vs. tympanum

partition vs. tympanum

tympanum vs. wheel

drum vs. tympanum

insect vs. tympanum

toad vs. tympanum

frog vs. tympanum

organ vs. tympanum

hearing vs. tympanum

eardrum vs. tympanum

lintel vs. tympanum

arch vs. tympanum

pediment vs. tympanum