Boyd’s Bible Dictionary:
(open). A flat plate for baking, and a deeper vessel for holding liquids (Lev. 2:5; 6:21).
Concise Bible Dictionary:
Some of these were made of iron as mentioned in Ezekiel 4:3, and were used for baking cakes (Lev. 2:5; 1 Chron. 23:29). The iron plates that were laid on the small ovens, and on which bread and cakes were baked, are probably alluded to.
Strong’s Dictionary of Hebrew Words:
Meaning:
from an unused root probably meaning to cook (compare 4227); something fried, probably a griddle-cake