\Tym*pan"ic\ (?; 277), a. [See {Tympanum}.]
1. Like a tympanum or drum; acting like a drumhead; as, a
   tympanic membrane.
2. (Anat.) Of or pertaining to the tympanum.
{Tympanic bone} (Anat.), a bone of the skull which incloses a
   part of the tympanum and supports the tympanic membrane.
{Tympanic membrane}. (Anat.) See the Note under {Ear}.

\Tym*pan"ic\, n. (Anat.)
The tympanic bone.