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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 Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.