edge
nounUK /edʒ/
US /edʒ/
The edge is the line where something ends or the outside part of it.
Be careful not to stand too close to the edge of the pool.
OTHER MEANINGS
2. The sharp side of a blade that cuts.
The knife has a very sharp edge.
3. A slight advantage over someone or something.
Our team has an edge because we practiced more.
4. To move slowly and carefully in small steps.
She edged closer to the stage to see better.