sinuato-|ˈsɪnjuːeɪtəʊ|used as combining form of sinuate, prefixed to adjectives in the sense ‘sinuately’, ‘sinuate and’, as sinuato-dentate, sinuato-pinnatifid, sinuato-undulate; sinuato-contorted, sinuato-dentated, sinuato-serrated.1753Chambers' Cycl.Suppl.s.v.Leaf, Sinuato-dentated leaf expresses a leaf like the former [sc. sinuated], but with the lateral lobes of a linear figure.1775J. Jenkinson Brit. PlantsGloss., Sinuato-serrated, serrated and partly sinuated.1826Kirby & Sp.Entomol. IV. xlvi. 290 Sinuato-Undulate.., when the sinuses are obtuse.1857T. Moore Handbk.Brit. Ferns (ed. 3) 46 Fr[onds] coriaceous sinuato-pinnatifid, densely scaly beneath.1887Phillips Brit. Discomyc. 11 The margin is..undulate, sinuato-contorted, and crisped.