outsidelines
nounUK /ˌaʊtˈsaɪd laɪnz/
US /ˌaʊtˈsaɪd laɪnz/
The lines on the outside edge of a playing field.
The ball rolled past the outsidelines and everyone stopped to get it.
OTHER MEANINGS
2. The outer edges or limits of an area.
The outsidelines of the garden were marked with small stones.
3. The borders that show where something ends.
Stay inside the outsidelines so you don't step on the grass.
4. The side edges of a page or drawing.
He drew a frame along the outsidelines of the paper.