Hogback and Perimeter

Hogback noun - A narrow ridge of hills.

Perimeter and hogback are semantically related. In some cases you can use "Perimeter" instead a noun "Hogback".

Perimeter noun - The line or relatively narrow space that marks the outer limit of something.

Hogback and perimeter are semantically related. Sometimes you can use "Hogback" instead a noun "Perimeter".