edge

noun
/ɛd͡ʒ/

The boundary line of a surface.

Other meanings

A one-dimensional face of a polytope. In particular, the joining line between two vertices of a polygon; the place where two faces of a polyhedron meet.
The thin cutting side of the blade of an instrument, such as an ax, knife, sword, or scythe; that which cuts as an edge does, or wounds deeply, etc.

Synonyms

border

Related words

Alderley Edge
Desert Edge
Edge Island
Edgewater
River Edge
Wenlock Edge
Weston-sub-Edge
Wotton-under-Edge
edge effect
edge of the earth
edge of the world
edgebanding

Example sentences

“This is cutting-edge technology.”
Tatoeba · ddnktr · CC0

Word history

From Old English "eċġ".

Where this comes from

This definition is adapted from “edge” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.