Strong's Definition
a primitive root; to suck
KJV Usage: milk
STEPBible — Tyndale Abridged Hebrew Lexicon
מָצַץ (ma.tsats) — to drink deeply. (Qal) to drain out, suck
UBS Dictionary of Biblical Hebrew
verb · מַצָּה
Ingest | verb qal | ≈ ינק
to suck = action by which newborn children drink milk from their mother's breasts
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
[מָצַץ] vb. drain out;—only Qal Is 66:11 ref