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The act of bending or curving; incurvation; the state of being bent; crookedness. Coxe.

Having a narrow, projecting chest, caused by forward curvature of the vertebral column.

r Accidental, Common, and Vocal. -- Chord of an arch. See Illust. of Arch. -- Chord of curvature, a chord drawn from any point of a curve, in the circle of curvature for that point. -- Scale of chords. See Scale.

A painful erection of the penis, usually with downward curvature, occurring in gonorrhea.

A bend, turn, or curve; curvature; flexure. Through lanes, and crooks, and darkness. Phaer.

s through all the other points of the curve. Any other curve is called a curve of double curvature, or a twisted curve.

y, etc., without the aid of celestial observations. -- Dead rise, the transverse upward curvature of a vessel's floor. -- Dead rising, an elliptical line drawn on the sheer plan to determine the sweep of the floorheads throughout the ship's length. -- Dead-Sea apple. See under Apple. -- Dead set. See under Set. --…

A bending downward; a sloping; incurvation downward; declivity. [R.] Davies (Wit's Pilgr.)

-- Diminishing rule (Arch.), a board cut with a concave edge, for fixing the entasis and curvature of a shaft. -- Diminishing stile (Arch.), a stile which is narrower in one part than in another, as in many glazed doors.

enty feet of ascent. -- Equating for curves, adding half a mile for each 360 degrees of curvature.

Without sudden change of direction or curvature; smooth; fowing; -- said of the figure of a vessel, and of surfaces, water lines, and other lines.

Having alternate curvatures in opposite directions; bent in a zigzag manner.

he general figure and dimenshions of the earth; or that branch of surveying in which the curvature of the earth is taken into account, as in the surveys of States, or of long lines of coast.

A name given to several different grasses, especially to the Roltböllia incurvata, and to the species of Ægilops, from one of which it is contended that wheat has been derived.

Having the form of a hookl curvated; as, the hooked bill of a bird.

The state of being bent like a hook; incurvation.

A state of being bent or curved; incurvation; a bending inwards. Sir T. Browne.

to be drawn in the tangent plane to any surface, and used to determine the accidents of curvature of the surface at the point of contact. The curve is similar to the intersection of the surface with a parallel to the tangent plane and indefinitely near it. It is an ellipse when the curvature is synclastic, and an hype…

Even; flat; having no part higher than another; having, or conforming to, the curvature which belongs to the undisturbed liquid parts of the earth's surface; as, a level field; level ground; the level surface of a pond or lake. Ample spaces o'er the smooth And level pavement. Milton.

A curvature of the spine forwards, usually in the lumbar region.