Abbott-Smith Manual Greek Lexicon
μάννα (G3131)
4 μάννα , τό , (in FlJ, also ἡ ), indecl. [in LXX: τὸ μάν , Ex 16:31 ff., elsewhere τ. μάννα , Nu 11:6 ff., al. ( מָן , Aram. מַנָּא );] manna : Jo 6:31 , 49 , He 9:4 ; symb., Re 2:17 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain