ἄζυμος, -ον
(ζύμη), [in LXX for מָצָּה; τὰ ἄ. (sc. λάγανα, cakes) = הַמָצָּה ;]
unleavened: ἡ ἑορτὴ τῶν ἄ. (הַג הַמָצָּה), the paschal feast (also called τὰ ἄ., Mrk.14:1), Luk.22:1; ἡμέρα τῶν ἄ., Mat.26:17, Mrk.14:12, Luk.22:7; ἡμέραι, Act.12:3 20:6. Fig., of Christians, free from corruption: 1Co.5:7; exhorted to keep festival, ἐν ἀζύμοις (sc. ἄρτοις, λάγανοις, or, indefinitely, "unleavened elements"), ib. 8 (Cremer, 724).†
(AS)