Strong's Definition
from 4711 in the sense of greedily devouring for sweetness; properly, sweetness; concretely, sweet (i.e. not soured or bittered with yeast); specifically, an unfermented cake or loaf, or (elliptically) the festival of Passover (because no leaven was then used)
KJV Usage: unleaved (bread, cake), without leaven
STEPBible — Tyndale Abridged Hebrew Lexicon
מַצָּה (mats.tsah) — unleavened bread. unleavened (bread, cake), without leaven.
UBS Dictionary of Biblical Hebrew
noun f · מצץ
Bread
unleavened bread = thin cracker-like bread made without yeast
GEN 19:3 · EXO 12:8 · EXO 12:15 · EXO 12:17 · EXO 12:18 · EXO 12:20 · EXO 12:39 · EXO 13:6 · EXO 13:7 · EXO 23:15 · EXO 23:15 · EXO 29:2 · EXO 29:2 · EXO 29:2 · EXO 29:23 · EXO 34:18 · EXO 34:18 · LEV 2:4 · LEV 2:4 · LEV 2:5 · LEV 6:9 · LEV 7:12 · LEV 7:12 · LEV 8:2 · LEV 8:26 · LEV 8:26 · LEV 10:12 · LEV 23:6 · LEV 23:6 · NUM 6:15 · NUM 6:15 · NUM 6:17 · NUM 6:19 · NUM 6:19 · NUM 9:11 · NUM 28:17 · DEU 16:3 · DEU 16:8 · DEU 16:16 · JOS 5:11 · JDG 6:19 · JDG 6:20 · JDG 6:21 · JDG 6:21 · 1SA 28:24 · 2KI 23:9 · 1CH 23:29 · 2CH 8:13 · 2CH 30:13 · 2CH 30:21 · 2CH 35:17 · EZR 6:22 · EZK 45:21
noun f · נצה
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
מַצָּה n.f. unleavened bread, or cake(s) base