Inner border Synonyms

Inner replaced

natural border

Definitions for Inner

(adjective) situated farther in
(adjective) of or relating to the mind
(adjective) located inward

IB abbreviation

IB is an abbreviation for Inner Border

What does IB stand for?

IB stands for "Inner Border"

Border replaced

inner perimeter

inner boundary

Definitions for Border

(noun) the line or relatively narrow space that marks the outer limit of something
(noun) a region along the dividing line between two countries
(verb) to serve as a border for