Definition of "Side" :
noun: an extended outer surface of an object
"He turned the box over to examine the bottom side."
noun: either the left or right half of a body
"He had a pain in his side."
noun: an aspect of something (as contrasted with some other implied aspect)
"He was on the heavy side."
noun: an opinion that is held in opposition to another in an argument or dispute
"There are two sides to every question."
noun: (sports) the spin given to a ball by striking it on one side or releasing it with a sharp twist
noun: a lengthwise dressed half of an animal's carcass used for food
noun: a family line of descent
"He gets his brains from his father's side."
noun: one of two or more contesting groups
"The Confederate side was prepared to attack."
noun: a surface forming part of the outside of an object
"He examined all sides of the crystal."
noun: a line segment forming part of the perimeter of a plane figure
"The hypotenuse of a right triangle is always the longest side."
noun: a place within a region identified relative to a center or reference location
"They always sat on the right side of the church."
noun: an elevated geological formation
"The house was built on the side of a mountain."
verb: take sides for or against
adjective: located on a side