D defs.my
Entry 1 sense Webster, 1913

Tectorial

· Tec·to·ri·al · IPA
01 a. Of or pertaining to covering; -- applied to a membrane immediately over the organ of Corti in the internal ear.
  1. 1.
    Of or pertaining to covering; -- applied to a membrane immediately over the organ of Corti in the internal ear.(Anat.)