Collocations for edge - noun

top
the top edge of the picture frame

bottom, lower | inner, inside | outer, outside | front | northern, southern, etc. | very
Erosion has left the house perched on the very edge of the cliff.

cliff, water''s
A row of boats was beached at the water''s edge.

reach
We had reached the edge of the map and didn''t know which way to go.

skirt
The road skirts the western edge of the forest.

along the ~, around/round the ~
Smoke was making its way around the edges of the door.

at the ~
Soon we were at the edge of the woods.

on the ~
She sat on the edge of her bed.

over the ~
The car rolled over the edge of the cliff.

right on the edge
They live right on the edge of town.

sharp | cutting | serrated
a knife with a serrated edge

jagged, ragged, rough | smooth | blunt

sharpen

competitive | slight | decided

give sb/sth | gain, have
to gain a competitive edge over rival suppliers

~ over
The intensive training she had done gave her the edge over the other runners.