Curve

What is Curve ?

Curve is (noun) 1. a round shape like part of a circle The road makes a sharp curve to the left. 2. a rounded shape on a graph a steep learning curve the process of having to learn new skills fast(verb) to make a rounded shape The road curves round the side of the mountain. Synonym bend. Antonym straighten

 

source: Easier English, Student Dictionary Upper Intermediate Level