noun
plural curves
[count] a smooth, rounded line, shape, path, etc.
technical :a curved line on a graph that shows how something changes or is affected by one or more conditions
a curving line or shape of the human body and especially of a woman's body - usually plural
baseball :curveball
ahead of the curve
chiefly US approving :faster about doing something than other people, companies, etc.
behind the curve
chiefly US disapproving :slower about doing something than other people, companies, etc.
verb
curves; curved; curving
[no obj] :to form a curve :to turn or change from a straight line, shape, or path to a smooth, rounded one
[+ obj] :to cause (something) to form a curve