The Collaborative International Dictionary
Tectrices
Tectrices \Tec"tri*ces\, n. pl. [NL., fr. L. tegere, tectum, to cover.] (Zo["o]l.) The wing coverts of a bird. See Covert, and Illust. of Bird.
Wiktionary
tectrices
n. (plural of tectrix English)
WordNet
tectrices
See tectrix