SINUOUS Sin"u*ous, a. Etym: [L. sinuosus, fr. sinus a bent surface, a curve: cf. F. sinueux. See Sinus.]
Defn: Bending in and out; of a serpentine or undulating form;
winding; crooked.
— Sin"u*ous*ly, adv.
Streaking the ground with sinuous trace. Milton.
Gardens bright with sinuous rills. Coleridge.
SINUPALLIATE
Si`nu*pal"li*ate, a. (Zoöl.)
Defn: Having a pallial sinus. See under Sinus.
SINUS Si"nus, n.; pl. L. Sinus, E. Sinuses. Etym: [L., a bent surface, a curve, the folds or bosom of a garment, etc., a bay. Cf. Sine, n.]
1. An opening; a hollow; a bending.
2. A bay of the sea; a recess in the shore.
3. (Anat. & Zoöl.)
Defn: A cavity; a depression. Specifically: (a) A cavity in a bone or other part, either closed or with a narrow opening. (b) A dilated vessel or canal.
4. (Med.)