Verses with the word cucumbers in the Old Testament (2 verses):

Numbers 11:5
We remember the fish, which we did eat in Egypt freely; the cucumbers, and the melons, and the leeks, and the onions, and the garlick:

Isaiah 1:8
And the daughter of Zion is left as a cottage in a vineyard, as a lodge in a garden of cucumbers, as a besieged city.