sagitta (sajita)

arrow, a bolt, prob. akin to Gr. σάγαρις, a battleax. Hence ult. satty, settee2.] 1. [ cap.] An insignificant but very ancient northern constellation, the Arrow, placed between Aquila and the bill of the Swan. It is, roughly speaking, in a line with the most prominent stars of Sag it tar i us and Centaur us, with which it may originally have been conceived to be connected. Also called Alahance. 2. In an at., the sagittal suture.-3. In ichth., one of the otoliths of a fish's ear.-4. [ cap.] The typical genus of Sagittidæ, dæ, formerly containing all the species, now restricted to those with two pairs of lateral fins besides the caudal fin. Also Saggitta, Saggita, Sagita. See accompanying cut.-5. An arrow-worm or sea-arrow; a member of the Sagittidæ. 6. The keystone of an arch. [Rare.]-7. In geom.: ( a ) The C Sagitta bipunctata, enlarged. versed sine of an arc: so called by Kepler because it makes a figure like an arrow upon a bow. ( b ) The absci a of a curve. Hutton. IMG:content-2706.png:[blocks in formation] a, head with eyes and appendages; b, anus; c, ovary; d, testicular chambers. IMG:content-2707.jpg:[graphic] sagittal taining to the sagittal suture. (b) Lying in or parallel to the plane of that suture: in this sense opposed to coronal.- Sagittal axis of the cerebrum, a sagittal line pa ing through the center of the cerebrum. - Sagittal crest. See crest. - Sagittal fi ure, the great longitudinal inter hem i cerebral fi ure of the brain, which separates the right and left cerebral hemispheres. Sagittal groove or furrow, the groove for the superior longitudinal sinus. - Sagittal line, the intersection of any sagittal with any horizontal plane.Sagittal plane, the median plane of the body, which is the plane of the sagittal suture, or any plane parallel to that plane. - Sagittal section, a section made in a sag it tal plane. Sagittal semicircular canal, the poste rior semicircular canal. See cut under - Sagittal sinus. Same as superior longitudinal sinus (which see, under sinus ). Sagittal suture, the suture between the two parietal bones; the rhabdoidal or interparietal suture. See cut under cranium. - Sagittal triradiate. See triradiate. sagittally (saj'i-tal-i), adv. [ Sagitta ria (saj-i-tā'ri-ä), п. [NL. (Linnæus, 1737), fem. of L. sag it tar i us, pertaining to an arrow: see sagittary.] A genus of monocotyledonous plants of the order Alismaceæ and tribe Alismeæ. It is characterized by unisexual flowers, commonly three in a whorl, and by very numerous broad and compre ed carpels densely crowded on large globular or oblong receptacles. There are about 15 species, natives of temperate and tropical regions, growing in marshes, in ditches, and on the margins of streams. They are generally erect stemle perennials, with IMG:content-2708.jpg:[merged small][ocr errors][merged small][merged small][merged small][merged small] ar row-shaped, lanceolate, or elliptical leaves rising above the water on long thick stalks. The flowers spiked with an i 5304 sagittary (saj'i-tā-ri), a. and n. [OF. sag i taire, sagetaire, F. sagitta ire = Sp. Pg. sagitario = It. sagitta rio, one of the zodiacal signs, With such differences of reeds, vallatory, sagittary, scriptory, and others, they might be furnished in Judæa. Sir T. Browne, Misc. Tracts, i. II. n.; pl. sagittaries (-riz). 1. [ cap .] The constellation Sag it tar i us.-2. A centaur; specifically [ cap .], a centaur fabled to have been in the Trojan army. Also in our lande been ye Sagittary , the whyche ben fro the myddel vpward lyke men, and fro ye myddel donwarde ben they lyke the halfe neder parte of an horse, and they bere bowes and arowes. R. Eden (First Books on America, ed. Arber, p. xxxiii.). The dreadful Sagittary Appals our numbers. Shak ., T. and C., v. 5. 14. 3. In zoöl., an arrow-worm or sagitta. sagittate (saj'i-tat), a. [ Sagittate Leaf of Calla Lily (Richard i a Afri can a). their points turned inward, between the posterior transverse line and the undulate subterminal line. sagitta ted (saj'i-ta-ted), a. [ each three conspicuous white petals and three smaller green sepals, and usually numerous stamens. The general name for the species is arrow - head, but the fine South American species, S. Monte vid ens is, is called arrow leaf. The most common American species is S. variabilis, whose leaves are extremely various in form. The tubers of this are used for food by the Indians of the Northwest, as are those of S. Chinensis in China, where it is cultivated for the purpose. S. sagittifolia is the European species, which with S. variabilis is worthy of culture in artificial water.