garden of cucumbers

Boyd’s Bible Dictionary:

(cumberer). Much used for food in the East (Num. 11:5; lsa. 1:8).

Concise Bible Dictionary:

Probably the watermelon, common in Egypt and highly valued in that hot country: the Israelites longed for them (Num. 11:5; Isa. 1:8).

Strong’s Dictionary of Hebrew Words:

Number:
4750 (find all occurrences in KJV Bible)
Transliteration:
miqshah
Phonic:
mik-shaw’
Meaning:
denominative from 7180; literally, a cucumbered field, i.e. a cucumber patch
KJV Usage:
garden of cucumbers