Strong's #7180: qishshu' (pronounced kish-shoo')
from an unused root (meaning to be hard); a cucumber (from the difficulty of digestion):--cucumber.
Brown-Driver-Briggs Hebrew Lexicon:
ּׁ
qishshû'
1) cucumber
Part of Speech: noun feminine
Relation: from an unused root (meaning to be hard)
Usage:
This word is used 1 times:
Numbers 11:5: "in Egypt freely; the cucumbers, and the melons, and the leeks, and the onions, and the garlic:"