adjective
Definition: Having a shape that is like a circle or sphere, where all points on the surface are the same distance from the center.
Example: The children played with a round ball in the park.
adverb
Definition: In a circular manner or direction; moving around something or someone.
Example: The children ran round the playground happily.
noun
Definition: A shape or object that is circular, or a series of events or activities that happen in a sequence.
Example: We played a round of golf on Saturday.
preposition
Definition: In a position or direction that is on all sides of something; surrounding or encircling.
Example: The children ran round the playground during recess.
transitive verb
Definition: To cause something to move in a circular direction or to make it round in shape.
Example: She rounded the corners of the table to make it safer for the children.