edging

1. Anything that forms, defines, or marks the edge of something. (countable, uncountable) · The decorative edging around the door makes it easier to find in the dark.
2. A technique involving the placement of the edge of the climbing shoe on a sharp hold. (countable, uncountable)
3. The operation of shaping or dressing the edge of anything, as of a piece of metal. (countable, uncountable)
4. The sexual technique of maintaining a high level of sexual arousal for an extended period of time without reaching orgasm. (countable, uncountable)

الجمع edgings