around

Around is defined as in a circle or ring.

(adverb)

A tie is an example of something that goes around one's neck.

See around in Webster's New World College Dictionary

adverb

Origin: ME < a-, on + round: all senses derive from those of “circling, within a circle”

1. on the circumference, border, or outer part of
2. so as to encircle
so as to surround or envelop
from the beginning to the end of (a period of time); throughout
so as to rotate or revolve about (an axis or center)
on all sides of; in every direction from
1. in various places in or on; here and there in; all about
2. to or through every part or various parts of; in a circuit or course through
1. so as to make a curve or partial circuit about
2. at a point reached by making such a circuit about: the house around the corner
so as to master or overcome (an obstacle or problem): we got around the boss by finding a substitute
in the vicinity of; near to: somewhere around the building
☆ somewhat close to; about: it happened around 1965
so as to be based on: a speech written around a favorite concept

adjective

See around in American Heritage Dictionary 4

adverb

a. On all sides: dirty clothes lying around.
b. In close to all sides from all directions: a field bordered around with tall trees.
In a circle or with a circular motion: spun around twice.
In circumference or perimeter: a pond two miles around.
In succession or rotation: passed the collection plate around; seasons that rolled around each year.
In or toward the opposite direction or position: wheeled around to face the attacker.
a. To or among various places; here and there: wander around.
b. To a specific place: Come around again sometime.
In or near one's current location: waited around for the next flight.
From the beginning to the end: frigid weather the year around.
Approximately; about: weighed around 30 pounds; around $1.3 billion in debt.

preposition

On all sides of: trees around the field.
In such a position as to encircle or surround: a sash around the waist.
a. Here and there within; throughout: on the political stump around the country.
b. In the immediate vicinity of; near: She lives around Norfolk.
On or to the farther side of: the house around the corner.
So as to pass, bypass, or avoid: a way around an obstacle; got around the difficulty somehow.
Approximately at: woke up around seven.
In such a way as to have a basis or center in: an economy focused around farming and light industry.