n. pl. tec·tri·ces (-trĭ-sēz′)
One of the coverts of a bird's wing.
[Latin tēctrīx, feminine of tēctor, plasterer, from tēctus, past participle of tegere, to cover; see (s)teg- in the Appendix of Indo-European roots.]
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Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.