'Wood' in the Bible

The cart came into the field of Joshua of Beth Shemesh, and stood there, where there was a great stone: and they split the wood of the cart, and offered up the cows for a burnt offering to Yahweh.

David saw that Saul had come out to seek his life. David was in the wilderness of Ziph in the wood.

Then the Ziphites came up to Saul to Gibeah, saying, "Doesn't David hide himself with us in the strongholds in the wood, in the hill of Hachilah, which is on the south of the desert?