0 an eardrum (= a thin piece of skin inside the ear that moves backwards and forwards when sound waves reach it, allowing you to hear sounds) -- 鼓膜
Such an organ is generally a membrane (tympanum) stretched across a frame backed by an air sac and associated sensory neurons.
The main facade features a tympanum surmounted by a louvered bell tower topped by a pyramidal roof.
Around the entrance are pilasters carrying a pediment, with a carved hourglass in the tympanum.
Stained-glass tympanum overlights to entrances; gable apex features stained-glass rose window; copper cross finial above.
These arches, with see-through fasciae and tympanums ornamented with elements of various colours constitute the main decorating feature.
Head moderate; snout rather pointed; "cauthus rostralis" indistinct; intororbital space much narrower than the upper eyelid; tympanum distinct, as large as the eye.
It is decorated with chevrons, but has a plain tympanum.
The neoclassical chapel's faade is made up of a tympanum supported by two pairs of pilasters on the sides.
