Definitions

from The Century Dictionary.

  • noun A covering; a tegminal part or organ; the tectorial membrane.
  • noun In ornithology, the coverts of the wing or of the tail, collectively considered. See covert, n., 6, and tectrices.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy The tectorial membrane that covers the cochlear duct

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