Strong's #1211: btsel (pronounced beh'-tsel)
from an unused root apparently meaning to peel; an onion:--onion.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
betsel
1) onion
Part of Speech: noun masculine
Relation: from an unused root apparently meaning to peel
Usage:
This word is used 1 times:
Numbers 11:5: "the cucumbers, and the melons, and the leeks, and the onions, and the garlic:"