ETYM as. sîde; akin to Dutch zijde, German seite, Old High Germ. sîta, Icel. sîtha, Dan. side, Swed. sida.
1. A surface forming part of the outside of an object; SYN. face.
2. A extended outer surface of an object.
3. An aspect of something (as contrasted with some other implied aspect).
4. A place within a region identified relative to a center or reference location.
5. A line segment forming part of the perimeter of a plane figure.
6. Either the left or right half of a body (human or animal).
7. An opinion that is held in opposition to another in an argument or dispute; SYN. position.
8. A lengthwise dressed half of an animal's carcass used for food; SYN. side of meat.
9. A family line of descent.
10. One of two or more contesting groups (in games or war or politics).

1. To take sides with; align oneself with; sympathize with; SYN. root.
2. To take the side of; be on the side of; SYN. go with.

1. Added as a consequence or supplement
2. Located on a side
3. Minor or subordinate; 'by' is often used in combination; SYN. by, bye.