tectrix

[ tek-triks ]
/ ˈtɛk trɪks /

noun, plural tec·tri·ces [tek-truh-seez, tek-trahy-seez] /ˈtɛk trəˌsiz, tɛkˈtraɪ siz/. Ornithology.

Origin of tectrix

1760–70; < New Latin tēctrīx, equivalent to Latin teg(ere) to cover + -trīx -trix
Related formstec·tri·cial [tek-trish-uh l] /tɛkˈtrɪʃ əl/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for tectrix

tectrix

/ (ˈtɛktrɪks) /

noun plural tectrices (ˈtɛktrɪˌsiːz, tɛkˈtraɪsiːz)

(usually plural) ornithol another name for covert (def. 6)
Derived Formstectricial (tɛkˈtrɪʃəl), adjective

Word Origin for tectrix

C19: New Latin, from Latin tector plasterer, from tegere to cover
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012