单词 tectrix 释义 ‖ tectrix Ornith.|tktrks|Usually in pl. tectrices |tktrasiz|.[mod.L. tectrix (fem. of L. tector), f. tect-, ppl. stem of tegre to cover: see -trix. So F. tectrice.]Each of the feathers that cover the base of the quill-feathers of the w...