To clear, tidy or sort.

A bounding straight edge of a two-dimensional shape. / A flat surface of a three-dimensional object; a face. / One half (left or right, top or bottom, front or back, etc.) of something or someone.

Third-person singular simple present indicative form of side

plural of side.

(rail transport) A second, relatively short length of track just to the side of a railroad track, joined to the main track by switches at one or both ends, used either for loading or unloading freight, storing trains or other rail vehicles; or to allow two trains on a same track to meet (opposite directions) or pass (same direction) (the latter sense is probably an American definition).

present participle of side

(Canada, US) A building material which covers and protects the sides of a house or other building.

simple past tense and past participle of side

(rare, nonstandard) To the side; sideways; laterally; sideling; obliquely; indirectly.

(rare, nonstandard) Of or relating to the side (of something); lateral.