Strong's Definition
from 1826; still; adverbially, silently
KJV Usage: dumb, silent, quietly wait
STEPBible — Tyndale Abridged Hebrew Lexicon
דּוּמָם (du.mam) — silence. 1) silence adv 2) in silence, silently
UBS Dictionary of Biblical Hebrew
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
דּוּמָם n.[m.] silence … stone of silence = dumb stone; adv. in silence, silently base