S0431700 (sĭn′yo͞o-ĭt, -āt′)adj. 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.EncyclopediaSeesinuate