portion of meat

Boyd’s Bible Dictionary:

In Bible sense, food of any kind
(Gen. 1:29; Lev. 2; 6:14-23; Matt. 15:37; Luke 24:41).

Concise Bible Dictionary:

Several Hebrew and Greek words of various significations are so translated, but scarcely any refer to flesh; the general meaning is food of any sort (Gen. 1:29-30; Ezek. 47:12; Acts 27:33-36).

Strong’s Dictionary of Greek Words:

Greek:
σιτόμετρον
Transliteration:
sitometron
Phonic:
sit-om’-et-ron
Meaning:
from 4621 and 3358; a grain-measure, i.e. (by implication) ration (allowance of food)
KJV Usage:
portion of meat