If you are asking for the meaning of the word midbar (מדבר), it means "desert". If you are asking for it's significance to the Jewish religion, that is a topic that would take an entire book to explain.
midbar (מדבר), which is one word, means desert.
Translation: ba-midbar (במדבר).
The Greek word is έρημος (erimos). The Hebrew word is מדבר (midbar).
barak min hashamayim (ברק מן השמיים)
the Hummingbird has no significance in Jewish culture or ancient Hebrew culture. In fact, there is no Hebrew word for Hummingbird. Israelis call it a Yonek dvash (honey sucker).
Matzah (plural is Matzot) is the Hebrew word for unleavened bread and is eaten by Jews during the festival of Passover.
The Hebrew word for sunflower is khamanit (חמנית) but this word has no spiritual significance in Hebrew. The sunflower itself may have a spiritual meaning in other faiths though.
There is no significance of the Roman Empire in the Hebrew Scriptures. The Romans are not even mentioned.
He was chosen by God to lead the Hebrew from slavery
House in Hebrew is בַּיִת. The significance could reference the "house of Israel" which refers to the collective population of all those who claim to be Jewish or identify themselves with Israel.
If you are talking about the vegetable, it has no special significance in Judaism. There is also no Hebrew word for shallot, but you can use the word betsaltsel (בצלצל), which means "small onion".
The Hebrew religion developed into modern Judaism, Christianity, and Islam.