'Olive wood' in the Bible

In the oracle he made two cherubim of olive wood, each ten cubits high.

For the entrance of the oracle he made doors of olive wood: the lintel and door posts were a fifth part of the wall.

So he made two doors of olive wood; and he carved on them carvings of cherubim and palm trees and open flowers, and overlaid them with gold; and he spread the gold on the cherubim, and on the palm trees.

So also made he for the entrance of the temple door posts of olive wood, out of a fourth part of the wall;