a continuously bending line, without angles.

the act or extent of curving.

any curved outline, form, thing, or part.

a curved section of a road, path, hallway, etc.

Railroads . a curved section of track

in the U.S. the curve is often expressed as the central angle, measured in degrees, of a curved section of track subtended by a chord 100 ft. (30 m) long (degree of curve).

Also called curve ball. Baseball .

a pitch delivered with a spin that causes the ball to veer from a normal straight path, away from the side from which it was thrown.

the course of such a pitched ball.

a graphic representation of the variations effected in something by the influence of changing conditions; graph.

Mathematics . a collection of points whose coordinates are continuous functions of a single independent variable.

a misleading or deceptive trick; cheat; deception.

Education . a grading system based on the scale of performance of a group, so that those performing better, regardless of their actual knowledge of the subject, receive high grades

The new English professor marks on a curve. Compare absolute def. 10

a curved guide used in drafting.

to bend in a curve; cause to take the course of a curve.

to grade on a curve.

Baseball . to pitch a curve to.

to bend in a curve; take the course of a curve.

curved. ?

ahead of (or behind ) the curve, at the forefront of (or lagging behind) recent developments, trends

etc.

throw (someone) a curve

to take (someone) by surprise, esp. in a negative way.

to mislead or deceive.

noun

line

verb

straighten

noun

ambit , arc , arch , bend , bight , bow , camber , catenary , chord , circle , circuit , circumference , compass , concavity , contour , crook , curlicue , curvation , curvature , ellipse , festoon , flexure , hairpin , half-moon , helix , horseshoe , hyperbola , incurvation , incurvature , loop , meniscus , ogee , parabola , quirk , rondure , round , sinuosity , sweep , swerve , trajectory , turn , vault , whorl , arcuation , asymptote , circumflexion , convolution , cusp , perimeter , spinose

verb

arc , arch , bend , bow , buckle , bulge , coil , concave , convex , crook , crumple , curl , deviate , divert , gyrate , hook , incurve , inflect , loop , round , skew , snake , spiral , stoop , swerve , turn , twist , veer , wind , wreathe , angle , undulate , arcuate , bight , circuit , circumflex , contour , crump , curb , curvature , deflect , ellipse , ess , hairpin , osculate , parabola , sinus , sweep , swirl