Definition

/ˈɹaʊnd/

adverb

So as to form a circle or trace a circular path, or approximation thereof.
“High above, vultures circled around.”
So as to surround or be near.
“Everybody please gather around.”
Nearly; approximately; about.
“An adult elephant weighs around five tons.”

preposition

Defining a circle or closed curve containing a thing.
“I planted a row of lilies around the statue.”
(of abstract things) Centred upon; surrounding.
“There has been a lot of controversy around the handling of personal information.”
Following the perimeter of a specified area and returning to the starting point.
“She went around the track fifty times.”

noun

A circular or spherical object or part of an object.
A circular or repetitious route.
“The guards have started their rounds; the prisoner should be caught soon.”
A general outburst from a group of people at an event.
“The candidate got a round of applause after every sentence or two.”

verb

To shape something into a curve.
“The carpenter rounded the edges of the table.”
To become shaped into a curve.
(with "out") To finish; to complete; to fill out.
“She rounded out her education with only a single mathematics class.”

adjective

(physical) Shape.
Complete, whole, not lacking.
“The baker sold us a round dozen.”
(of a number) Convenient for rounding other numbers to; for example, ending in a zero.
“One hundred is a nice round number.”