Strong's Definition
from 5462; a fastener, i.e. (of a person) a smith, (of a thing) a prison
KJV Usage: prison, smith
STEPBible — Tyndale Abridged Hebrew Lexicon
מַסְגֵּר (mas.ger) — locksmith. 1) a shutting up, locksmith, smith, dungeon, enclosure, builder of bulwarks 1a) locksmith, smith 1b) dungeon
UBS Dictionary of Biblical Hebrew
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
מַסְגֵּר n.[m.] 1. locksmith, smith. 2. dungeon base