Sioux (so)

and a. [F. spelling of the Ind. name.] I. n.; pl. Sioux (sö or söz). A member of a family of North American Indians, now confined chiefly to North Dakota, South Dakota, and parts of Wyoming, Nebraska, and Montana. II. a. Of or pertaining to the Sioux; Siouan; Dakotan: as, the Sioux wars; a Sioux village. sip (sip), v.; pret. and pp. sipped, ppr. sipping. [ ME. sippen, syppen, sipe ) (= MD. sippen, sip, taste with the tip of the tongue (cf. D. sipper lippen, taste with the tip of the tongue), = LG. sippen, sip); a secondary form of sup an, sup, taste: see supl. The form sip is related to sup (AS. sūpan ) much as slip is related to similar forms (AS. slūpan, etc.).] I. trans. 1. To drink little by little; take (a liquid) into the mouth in small quantities; imbibe a mouthful at a time. A woman moved is like a fountain troubled, Muddy, ill-seeming, thick, bereft of beauty; And while it is so, none so dry or thirsty Will deign to sip or touch one drop of it. Shak., T. of the S., v. 2. 145. To sip a gla of wine was considered effeminate, and a guest was thought ill of if he did not empty his gla at a draught. Fortnightly Rev. , N. S., XLIII. 377. 2. To take in gradually by some proce analogous to drinking; receive or obtain by sucking, inhaling, absorbing, or the like. Where I may sit and rightly spell Of every star that heaven doth shew, And every herb that sips the dew. Milton, Il Penseroso, 1. 172. 3. To drink from by sips. They skim the floods, and sip the purple flowers. Dryden, tr. of Virgil's Georgics, iv. 76. II. in trans. To take a sip or sips. They could never get her so much as sip on a cup with the proudest of them all. Shak ., M. W. of W., ii. 2. 77. Modest as the maid that sips alone. Same as straight sinus. Sinus rhomboidal is. Same as rhomboidal sinus (which see, above). - Sinus tentorii. Same as straight sinus. Sinus venosus, in human and allied hearts, the main part of the cavity of either the right or the left auricle of the heart; that part into which the veins pour their blood, as distinguished from the auricular appendix. Also called atrium, and sinus of the auricle. Sinus venosus corneæ, Schlemm's canal. - Sphenoidal sinuses, cavities in the sphenoid bone, like those of the ethmoid and frontal. - Straight sinus, the venous channel at the junction of the falx cerebri with the tentorium, pa ing from the termination of the inferior longitudinal sinus to the torcular Hero phil i. - Tarsal sinus, the large irregular pa age between the astragalus and the calca as a liquid. IMG:content-1139.png:[blocks in formation] on each side, and into the inferior spinal veins below. Also sipahselar (si-pä'se-lär), n. [Hind., basilar sinus , basilar plexus . - Urogenital sinus, the cavity in which the urogenital organs terminate in the fetal life of man and most mammals; a permanent compartment of the cloaca in many lower vertebrates. See cloaca, 3 (a), and urogenital. Uterine sinuses, greatly enlarged veins of the womb during pregnancy. - Valvular sinus. Same as sinus of Valsalva. Venous sinus, any sinus conveying venous blood; especially ( a ) one of the sinuses of the dura mater (see above), or (6) a sinus venosus (see above).