What Is Oak in the Bible?
Plant
A large, strong tree with hard wood that lives for many years. An “oak grove” is a forest of oaks.
Where it appears in the Bible
Genesis 18:1
What the Bible says
Genesis 18:1
And the Lord appeared to him in the vale of Mambre as he was sitting at the door of his tent, in the very heat of the day.
Douay-Rheims Bible (Challoner revision), public domain.
Source: Dictionary.com, “oak”