Boyd’s Bible Dictionary:
The Hebrew words imply curds, or curdled milk (1 Sam. 17:18; Job 10:10; 2 Sam. 17:29).
Concise Bible Dictionary:
Curdled milk, which in some instances is dried and is solid enough to be cut into slices (1 Sam. 17:18; 2 Sam. 17:29; Job 10:10).
Strong’s Dictionary of Hebrew Words:
Meaning:
from 8192 in the sense of clarifying; a cheese (as strained from the whey)