tegula
noun
(in certain insects) a scalelike lobe at the base of the forewing.
The grammatical form denoting more than one person, place, thing, or idea.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Aileron: the scale covering the base of primaries in some insects; see tegulae in Diptera = alula and squama, q.v.
From Explanation of Terms Used in Entomology by John. B. Smith