A surface of an object, especially a surface joining a top and bottom, The part within an object or area to the left or right of the observer or of its vertical axis, One of two or more contrasted parts or places within an area, identified by its location with respect to a center, adjective_ Located on a side, In addition to the main part; supplementary, From or to one side; oblique, intransitive verb_ To provide sides or siding for, To align oneself in a disagreement, To be positioned next to