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 (sĭn′yo͞o-ĭt, -āt′)
Having a wavy indented margin, as a leaf.
intr.v. sin·u·at·ed, sin·u·at·ing, sin·u·ates
To bend or curve; wind in and out.

[Latin sinuāre, sinuāt-, to bend, from sinus, curve.]

sin′u·ate·ly adv.
sin′u·a′tion n.
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References in periodicals archive ?
In males of this species, a light sinuation is present on the upper part of the hind margin of the pronotal lateral lobes (here considered as humeral sinus), while completely absent in females.
7 Wing vein [M.sub.1+2] with rather distinct sinuation at 2/5 of distal part; arista-like stylus dorsal; antennae positioned at upper quarter of head; male segment 7 rather long Urodolichus Lamb, 1922