Part 173

Sea" with"wind` (?). (Bot.) A kind of bindweed (Convolvulus Soldanella) growing on the seacoast of Europe.

Sea" wolf` (?). (Zoöl.) (a) The wolf fish. (b) The European sea perch. (c) The sea elephant. (d) A sea lion.

Sea" wood"cock` (?). (Zoöl.) The bar- tailed godwit.

Sea" wood" louse` (?). (Zoöl.) A sea slater.

Sea" worm"wood` (?). (Bot.) A European species of wormwood (Artemisia maritima) growing by the sea.

Sea"wor`thi*ness (?), n. The state or quality of being seaworthy, or able to resist the ordinary violence of wind and weather. Kent.

Sea"wor`thy (?), a. Fit for a voyage; worthy of being trusted to transport a cargo with safety; as, a seaworthy ship.

Sea" wrack` (?). (Bot.) See Wrack.

Se*ba"ceous (?), a. [NL. sebaceus, from L. sebum tallow, grease.] (Physiol.) Pertaining to, or secreting, fat; composed of fat; having the appearance of fat; as, the sebaceous secretions of some plants, or the sebaceous humor of animals.

Sebaceous cyst (Med.), a cyst formed by distention of a sebaceous gland, due to obstruction of its excretory duct. -- Sebaceous glands (Anat.), small subcutaneous glands, usually connected with hair follicles. They secrete an oily semifluid matter, composed in great part of fat, which softens and lubricates the hair and skin.

Se*bac"ic (?), a. [L. sebum tallow: cf. F. sébacique.] (Chem.) Of or pertaining to fat; derived from, or resembling, fat; specifically, designating an acid (formerly called also sebic, and pyroleic, acid), obtained by the distillation or saponification of certain oils (as castor oil) as a white crystalline substance.

Se"bat (?), n. [Heb. shbt.] The eleventh month of the ancient Hebrew year, approximately corresponding with February. W. Smith (Bibl. Dict.).

Se"bate (s"b\ddt), n. (Chem.) A salt of sebacic acid.

Se*bes"ten (?), n. [Ar. sebestn the tree: cf. Sp. sebesten.] (Bot.) The mucilaginous drupaceous fruit of two East Indian trees (Cordia Myxa, and C. latifolia), sometimes used medicinally in pectoral diseases.

In the West Indies the name is given to the similar fruit of Cordia Sebestana.

Se"bic (?), a. See Sebacic. [Obs.]

Se*bif"er*ous (?), a. [L. sebum tallow + -ferous.] 1. (Bot.) Producing vegetable tallow.

2. (Physiol.) Producing fat; sebaceous; as, the sebiferous, or sebaceous, glands.

Se*bip"a*rous (?), a. [L. sebum tallow + parere to bring forth.] (Physiol.) Same as Sebiferous.

||Seb"or*rhe*a (?), n. [NL., fr. L. sebum tallow + Gr. &?; to flow.] ||(Med.) A morbidly increased discharge of sebaceous matter upon the ||skin; stearrhea.

||Se*ca"le (?), n. [L., a kind of grain.] (Bot.) A genus of cereal ||grasses including rye.

Se"can*cy (?), n. [See Secant.] A cutting; an intersection; as, the point of secancy of one line by another. [R.] Davies & Peck (Math. Dict. ).

Se"cant (s"knt), a. [L. secans, -antis, p. pr. of secare to cut. See Section.] Cutting; dividing into two parts; as, a secant line.

Secant, n. [Cf. F. sécante. See Secant, a.] 1. (Geom.) A line that cuts another; especially, a straight line cutting a curve in two or more points.

2. (Trig.) A right line drawn from the center of a circle through one end of a circular arc, and terminated by a tangent drawn from the other end; the number expressing the ratio of this line to the radius of the circle. See Trigonometrical function, under Function.

||Sec"co (?), a. [It.] Dry.

Secco painting, or Painting in secco, painting on dry plaster, as distinguished from fresco painting, which is on wet or fresh plaster.

Se"cede" (?), v. i. [imp. & p. p. Seceded; p. pr. & vb. n. Seceding.] [L. secedere, secessum; pref se- aside + cedere to go, move. See Cede.] To withdraw from fellowship, communion, or association; to separate one's self by a solemn act; to draw off; to retire; especially, to withdraw from a political or religious body.