curve

:  to have or take a turn, change, or deviation from a straight line or plane surface without sharp breaks or angularity

1 :  to cause to curve

2 :  to throw a curveball to (a batter)

3 :  to grade (something, such as an examination) on a curve

1a :  a line especially when curved: such as (1) :  the path of a moving point (2) :  a line defined by an equation so that the coordinates of its points are functions of a single independent variable or parameterb :  the graph of a variable

2 :  something curved: such asa :  a curving line of the human bodyb curves plural :  parenthesis

3a :  curveballb :  trick, deception

4 :  a distribution indicating the relative performance of individuals measured against each other that is used especially in assigning good, medium, or poor grades to usually predetermined proportions of students rather than in assigning grades based on predetermined standards of achievement

5 :  trend a growth curve in advertising revenues; especially :  a prevalent trend or rate of progress —often used in the phrases ahead of the curve and behind the curve companies that are behind the curve in adopting new technologies

:  to turn or cause to turn from a straight line or course The road curved to the left.

1 :  a smooth rounded line or surface Slow down! There's a curve in the road.

2 :  something having a somewhat round shape the curves of the body

3 :  a ball thrown so that it moves away from a straight course