Boyd’s Bible Dictionary:
(one). The single-bulbed plant growing to perfection in the Nile valley (Num. 11:5).
Concise Bible Dictionary:
The well-known vegetable, only once mentioned. The Israelites, having enjoyed them in Egypt, lamented their loss in the wilderness (Num. 11:5). The onions in Egypt are mild in flavor, and sweet, and are much prized.
Onion Field
Strong’s Dictionary of Hebrew Words:
Meaning:
from an unused root apparently meaning to peel; an onion