Borderer

bor·der  (bôrdr)

n.

1. A part that forms the outer edge of something.

2. A decorative strip around the edge of something, such as fabric.

3. A strip of ground, as at the edge of a garden or walk, in which ornamental plants or shrubs are planted.

4. The line or frontier area separating political divisions or geographic regions; a boundary.

v. bor·dered, bor·der·ing, bor·ders

v.tr.

1. To put a border on.

2. To lie along or adjacent to the border of: Canada borders the United States.

v.intr.

1. To lie adjacent to another: The United States borders on Canada.

2. To be almost like another in character: an act that borders on heroism.

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[Middle English bordure, from Old French bordeure, from border, to border, from bort, border, of Germanic origin.]

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border·er n.

Synonyms: border, margin, edge, verge¹, brink, rim, brim
These nouns refer to the line or narrow area that marks the outside limit of something such as a surface. Border refers either to the boundary line (a fence along the border of the property) or to the area immediately inside (a frame with a wide border). Margin is a border of more or less precisely definable width: the margin of the page.
Edge refers to the bounding line formed by the continuous convergence of two surfaces: sat on the edge of the chair.
Verge is an extreme terminating line or edge: the sun's afterglow on the verge of the horizon.
Figuratively it indicates a point at which something is likely to begin or to happen: an explorer on the verge of a great discovery.
Brink denotes the edge of a steep place: stood on the brink of the cliff.
In an extended sense it indicates the likelihood or imminence of a sudden change: on the brink of falling in love.
Rim most often denotes the edge of something circular or curved: a crack in the rim of the lens.
Brim applies to the upper edge or inner side of the rim of something shaped like a basin: lava issuing from the brim of the crater.

Thesaurus

Noun

1.

borderer - an inhabitant of a border area (especially the border between Scotland and England) England - a division of the United Kingdom denizen, dweller, habitant, inhabitant, indweller - a person who inhabits a particular place