Strong's Definition
from 7337; enlargement, either literally (an open space, usually in a good sense), or figuratively (liberty)
KJV Usage: breadth, large place (room)
STEPBible — Tyndale Abridged Hebrew Lexicon
מֶרְחָב (mer.chav) — broad. broad or roomy place, wide, expanses
UBS Dictionary of Biblical Hebrew
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
מֶרְחָב n.[m.] broad, roomy, place base