侧 (cè): ด้านข้าง

The left-side door of this car was damaged in a collision, but the right-side door can still open normally.

The doctor told me to sleep on my side, as this can reduce back pain.

Viewed from the side, this mountain looks like a lying elephant.

Please place the bookshelf sideways against the wall, so there will be more space in the middle of the room.