"Side" is a word in LAW AND LEGAL, ENGLISH

The same court is sometimes said to have different sides; that is, different provinces or fields of jurisdiction. Thus, an admiralty court may have an “instance side,” distinct from Its powers as a prize court; the “crown side,” (criminal jurisdiction) Is to be distinguished from the “plea side,” (civil Jurisdlction;) the same court may have an “equlty side” and a “law side.”

To lean on one side.

A slope or declivity, as of a hill, considered as opposed to
another slope over the ridge.

The position of a person or party regarded as opposed to
another person or party, whether as a rival or a foe; a body of
advocates or partisans; a party; hence, the interest or cause which one
maintains against another; a doctrine or view opposed to another.

Fig.: Aspect or part regarded as contrasted with some other;
as, the bright side of poverty.

Of or pertaining to a side, or the sides; being on the side,
or toward the side; lateral.

Hence, indirect; oblique; collateral; incidental; as, a side
issue; a side view or remark.

To embrace the opinions of one party, or engage in its
interest, in opposition to another party; to take sides; as, to side
with the ministerial party.

To be or stand at the side of; to be on the side toward.

One of the halves of the body, of an animals or man, on
either side of the mesial plane; or that which pertains to such a half;
as, a side of beef; a side of sole leather.

To furnish with a siding; as, to side a house.

To suit; to pair; to match.

Long; large; extensive.

A line of descent traced through one parent as distinguished
from that traced through another.

The margin, edge, verge, or border of a surface; especially
(when the thing spoken of is somewhat oblong in shape), one of the
longer edges as distinguished from the shorter edges, called ends; a
bounding line of a geometrical figure; as, the side of a field, of a
square or triangle, of a river, of a road, etc.

Any outer portion of a thing considered apart from, and yet
in relation to, the rest; as, the upper side of a sphere; also, any
part or position viewed as opposite to or contrasted with another; as,
this or that side.

The right or left part of the wall or trunk of the body; as,
a pain in the side.

To work (a timber or rib) to a certain thickness by
trimming the sides.