n.

1. a place within a region identified relative to a center or reference location
   
   • they always sat on the right side of the church
   • he never left my side
2. one of two or more contesting groups
   
   • the Confederate side was prepared to attack
3. either the left or right half of a body
   
   • he had a pain in his side
4. an extended outer surface of an object
   
   • he turned the box over to examine the bottom side
   • they painted all four sides of the house
5. a surface forming part of the outside of an object;
   face
   
   • he examined all sides of the crystal
   • dew dripped from the face of the leaf
6. a line segment forming part of the perimeter of a plane figure
   
   • the hypotenuse of a right triangle is always the longest side
7. an aspect of something (as contrasted with some other implied aspect)
   
   • he was on the heavy side
   • he is on the purchasing side of the business
   • it brought out his better side
8. a family line of descent
   
   • he gets his brains from his father's side
9. a lengthwise dressed half of an animal's carcass used for food;
   side of meat
10. an opinion that is held in opposition to another in an argument or dispute;
    position
    
    • there are two sides to every question
11. an elevated geological formation;
    slope, incline
    
    • he climbed the steep slope
    • the house was built on the side of a mountain
12. (sports) the spin given to a ball by striking it on one side or releasing it with a sharp twist;
    English

v.

1. take sides with; align oneself with; show strong sympathy for;
   pull, root
   
   • We all rooted for the home team
   • I'm pulling for the underdog
   • Are you siding with the defender of the title?
2. take the side of; be on the side of;
   go with
   
   • Whose side are you on?
   • Why are you taking sides with the accused?

adj.

1. located on a side;
   side(a)
   
   • side fences
   • the side porch