noun / adjective / verb

side

SYDE/saɪd/

A part facing outward from an edge or boundary.

One side of the wooden cube is highlighted in blue.

A wooden cube in three-quarter view with one side face highlighted soft blue, other surfaces natural wood, clear side of object, no labels.

Etymology

sideOld Englishflank; long part or aspect

Old English side covered both a person's flank and the long part or aspect of an object. That physical sense survives in the surfaces or edges called its sides.

In context

Great Big Story0:43

what does it feel like to sleep in a portaledge hanging off the side of a mountain?

What It Feels Like to Sleep on the Side of a Mountain

More examples

The box has handles on both sides.
She lies on her side with a pillow between her knees.
We enter the building through a side door.

Forms

side · sides · sided · siding

siding noun — Material used to cover exterior building walls.

Similar words

flank: Usually refers to the side of a body or formation.
edge: Emphasizes the boundary rather than the surface beside it.
face: Refers to a distinct surface, not necessarily a lateral one.