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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.]
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Ramas floriferas por lo general reducidas en longitud y con las hojas tectrices escuamiformes.