Strong's Definition
from an unused root meaning to arrange; order
KJV Usage: order
STEPBible — Tyndale Abridged Hebrew Lexicon
סֵ֫דֶר (se.der) — order. arrangement, order
UBS Dictionary of Biblical Hebrew
noun m · מִסְדְּרֹון · שְׂדֵרָה
Well
order exact meaning unsure; probably: = state in which things are light, well formed, and organized, as opposed to the darkness and chaos of the realm of the dead
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
סֵ֫דֶר n.[m.] arrangement, order;—only pl. Jb 10:22 ref