1. [n]  a baseball thrown with spin so that its path curves as it approach the batter
2. [n]  curved segment (of a road or river or railroad track etc.)
3. [n]  the property possessed by the curving of a line or surface
4. [n]  a line on a graph representing data
5. [n]  the trace of a point whose direction of motion changes
6. [v]  form a curl, curve, or kink; "the cigar smoke curled up at the ceiling"; "The road curved"
7. [v]  turn sharply; change direction abruptly; "The car cut to the left at the intersection"; "The motorbike veered to the right"
8. [v]  bend or cause to bend
9. [v]  form an arch
10. [v]  extend in curves and turns; "The road winds around the lake"

Curve
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1. \Curve\ (k[^u]rv), a. [L. curvus bent, curved. See
   {Cirb}.]
   Bent without angles; crooked; curved; as, a curve line; a
   curve surface.
   

2. \Curve\, n. [See {Curve}, a., {Cirb}.]
   1. A bending without angles; that which is bent; a flexure;
      as, a curve in a railway or canal.
   2. (Geom.) A line described according to some low, and having
      no finite portion of it a straight line.
   {Axis of a curve}. See under {Axis}.
   {Curve of quickest descent}. See {Brachystochrone}.
   {Curve tracing} (Math.), the process of determining the
      shape, location, singular points, and other peculiarities
      of a curve from its equation.
   {Plane curve} (Geom.), a curve such that when a plane passes
      through three points of the curve, it passes through all
      the other points of the curve. Any other curve is called a
      {curve of double curvature}, or a {twisted curve}.
   

3. \Curve\, v. t. [imp. & p. p. {Curved} (k?rvd); p. pr. &
   vb. n. {Curving}.] [L. curvare., fr. curvus. See {Curve}, a.,
   {Curb}.]
   To bend; to crook; as, to curve a line; to curve a pipe; to
   cause to swerve from a straight course; as, to curve a ball
   in pitching it.
   

4. \Curve\, v. i.
   To bend or turn gradually from a given direction; as, the
   road curves to the right.