Sinupalliate, sin-ū-pal′i-āt, adj. having a sinuous pallial margin on the shell along the line of attachment of the mantle.—Also Sinupall′ial. [L. sinus, a fold, pallium, a mantle.]
Sinus, sī′nus, n. a bending: a fold: an opening: a bay of the sea: a recess on the shore: (anat.) a cavity or hollow of bone or other tissue, one of the air-cavities contained in the interior of certain bones: a channel for transmitting venous blood: a narrow opening leading to an abscess, &c.—n. Sī′nusoid, the curve of sines in which the abscisses are proportional to an angle, and the ordinates to its sine.—adj. Sinusoi′dal.—adv. Sinusoi′dally. [L. sinus, a curve.]
Sioux, sōō, n. (pl. Sioux, sōō or sōōz) the principal tribe of the Dakota family of American Indians in South Dakota and Nebraska—also adj.—Also Siouan (sōō′an).
Sip, sip, v.t. to sup or drink in small quantities: to draw into the mouth: to taste: to drink out of.—v.i. to drink in small quantities: to drink by the lips:—pr.p. sip′ping; pa.t. and pa.p. sipped.—n. the taking of a liquor with the lips: a small draught.—n. Sip′per. [A.S. syppan (assumed), sipian, to soak. Related to súpan, to sup, taste.]
Sipe, sīp, v.i. (prov.) to soak through.—Also Seep. [A.S. sipian, to soak; Dut. zijpen, to drop.]
Siphilis. Same as Syphilis (q.v.).
Siphon, sī′fun, n. a bent tube for drawing off liquids from one vessel into another.—v.t. to convey by means of a siphon.—n. Sī′phonage.—adjs. Sī′phonal, Sī′phonate, Sīphon′ic, pertaining to, or resembling, a siphon.—n. Sī′phon-bott′le, a glass bottle for containing aerated liquid, fitted with a glass tube reaching nearly to the bottom and bent like a siphon at the outlet.—adjs. Siphonif′erous; Sī′phoniform; Siphonostō′matous, having a siphonate mouth.—ns. Sī′phonostome, a siphonostomatous animal, as a fish-louse; Sī′phuncle, the siphon or funnel of tetrabranchiate cephalopods: a nectary.—adjs. Sī′phuncled, Siphunc′ular, Siphunc′ulate, -d.—ns. Siphunc′ulus; Sipunc′ulus, a genus of worms belonging to the class Gephyrea. [Fr.,—Gr., siphōn—siphlos, hollow.]
Sippet, sip′et, n. a small sop: (pl.) morsels of bread served in broth, &c.—v.i. Sipp′le, to sup in sips.
Sipylite, sip′i-līt, n. a niobite of erbium. [From Gr. Sipylos, one of the children of Niobe.]