Definition (full): a crossing-place, a transit, overwhelming
Strong's Exhaustive Concordance
Or feminine mapabarah {mah-ab-aw-raw'}; from abar; a crossing-place (of a river, a ford; of a mountain, a pass); abstractly, a transit, i.e. (figuratively) overwhelming -- ford, place where...pass, passage.
KJV: And he said unto them, Follow after me: for the LORD hath delivered your enemies the Moabites into your hand. And they went down after him, and took the fords of Jordan toward Moab, and suffered not a man to pass over.
NASB: He said to them, "Pursue them, for the LORD has given your enemies the Moabites into your hands." So they went down after him and seized the fords of the Jordan opposite Moab, and did not allow anyone to cross.
KJV: And the Gileadites took the passages of Jordan before the Ephraimites: and it was so, that when those Ephraimites which were escaped said, Let me go over; that the men of Gilead said unto him, Art thou an Ephraimite? If he said, Nay;
NASB: The Gileadites captured the fords of the Jordan opposite Ephraim. And it happened when any of the fugitives of Ephraim said, "Let me cross over," the men of Gilead would say to him, "Are you an Ephraimite?" If he said, "No,"
KJV: Then said they unto him, Say now Shibboleth: and he said Sibboleth: for he could not frame to pronounce it right. Then they took him, and slew him at the passages of Jordan: and there fell at that time of the Ephraimites forty and two thousand.
NASB: then they would say to him, "Say now, 'Shibboleth.'" But he said, "Sibboleth," for he could not pronounce it correctly. Then they seized him and slew him at the fords of the Jordan. Thus there fell at that time 42,000 of Ephraim.