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The obtaining of a curve similar to a pulse curve or sphygmogram by allowing the blood from a divided artery to strike against a piece of paper.

A game in which two parties of players, armed with sticks curved or hooked at the end, attempt to drive any small object (as a ball or a bit of wood) toward opposite goals.

A curve described by the moving extremity of a line the other end of which is fixed, this line being constantly parallel to the direction of motion of, and having its length constantly proportional to the velocity of, a point moving in any path; -used in investigations respecting central forces.

An upward curve or very obtuse angle in the upper surface of any member, as of a timber laid horizontally; -- the opposite of camber.

Broken or strained so as to have an upward curve between the ends. See Hog, v. i.

to the home base. -- Home stretch (Sport.), that part of a race course between the last curve and the winning post. -- Home thrust, a well directed or effective thrust; one that wounds in a vital part; hence, in controversy, a personal attack.

A piece of metal, or other hard material, formed or bent into a curve or at an angle, for catching, holding, or sustaining anything; as, a hook for catching fish; a hook for fastening a gate; a boat hook, etc.

Having a strongly curved bill.

ern United States (Abaster erythrogrammus); -- so called from the mistaken notion that it curves itself into a hoop, taking its tail into its mouth, and rolls along with great velocity. -- Hoop tree (Bot.), a small West Indian tree (Melia sempervirens), of the Mahogany family.

An incurved, tapering and pointed appendage found in the flowers of the milkweed (Asclepias).

large nocturnal beetle of the genus Lucanus (as L. capreolus, and L. dama), having long, curved upper jaws, resembling a sickle. The grubs are found in the trunks of old trees.

s, that of the male being sharp and straight, that of the female much longer and strongly curved.

A curve formed by a section of a cone, when the cutting plane makes a greater angle with the base than the side of the cone makes. It is a plane curve such that the difference of the distances from any point of it to two fixed points, called foci, is equal to a given distance. See Focus. If the cutting plane be produce…

es, etc. -- Hyperbolic logarithm. See Logarithm. -- Hyperbolic spiral (Math.), a spiral curve, the law of which is, that the distance from the pole to the generating point varies inversely as the angle swept over by the radius vector.

A curve traced by a point in the circumference of a circle which rolls on the concave side in the fixed circle. Cf. Epicycloid, and Trochoid.

Exhibiting retarded dicrotism; as, a hypodicrotic pulse curve.

A curve, traced by a point in the radius, or radius produced, of a circle which rolls upon the concave side of a fixed circle. See Hypocycloid, Epicycloid, and Trochoid.

One of several species of wild goats having very large, recurved horns, transversely ridged in front; -- called also steinbok.

rld and the New. Numerous species are known. They are large, wading birds, having a long, curved beak, and feed largely on reptiles.

To make like a bow; to curve; to arch; to vault; to embow. "Imbowed windows." Bacon.