border, coast, region, sieve

Boyd’s Bible Dictionary:

(rib). Often used as border or boundary (Judg. 11:20; 1 Sam. 5:6; Matt. 8:34).

Concise Bible Dictionary:

A term in scripture signifying any “border,” inland as well as near the sea, it also may imply large districts (Ex. 10:4; Josh. 1:4; 1 Kings 1:3).

Strong’s Dictionary of Hebrew Words:

Transliteration:
naphah
Phonic:
naw-faw’
Meaning:
from 5130 in the sense of lifting; a height; also a sieve
KJV Usage:
border, coast, region, sieve