'Burnt offering' in the Bible

and build an altar to the LORD your God on the top of this stronghold, in the orderly manner, and take the second bull, and offer a burnt offering with the wood of the Asherah which you shall cut down."

then it shall be that whatever comes forth from the doors of my house to meet me, when I return in peace from the children of Ammon, it shall be the LORD's, and I will offer it up for a burnt offering."

The angel of the LORD said to Manoah, "Though you detain me, I won't eat of your bread. And if you prepare a burnt offering, you must offer it to the LORD." For Manoah did not know that he was the angel of the LORD.

But his wife said to him, "If the LORD meant to kill us, he wouldn't have received a burnt offering and a grain offering from us, neither would he have shown us all these things, nor would he have spoken to us now like this."