from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A slaughtered animal or other offering burned on an altar as a religious sacrifice.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Something offered and burnt on an altar, as an atonement for sin; a sacrifice.
- n. Overcooked food.
from the GNU version of the Collaborative International Dictionary of English
- something offered and burnt on an altar, as an atonement for sin; a sacrifice. The offerings of the Jews were a clean animal, as an ox, a calf, a goat, or a sheep; or some vegetable substance, as bread, or ears of wheat or barley. Called also burnt sacrifice.
- n. etc. See under Burnt. etc.
from The Century Dictionary and Cyclopedia
- n. An offering burnt upon an altar as a religious rite; specifically, in the Jewish ritual, an animal or animals of a prescribed kind, the whole of which, after ceremonial preparation, was burned upon an altar; a holocaust.
Sorry, no etymologies found.
For in addition to the thoughts expressed above, that namely the burnt offering set forth the idea of gratitude and of propitiation, it must be borne in mind that the chief thought behind an
With 700 fighting men he made a vigorous attempt to cut his way through the beleaguering army, and when beaten back, he withdrew to the wall of his city, and there, in sight of the allied host, offered his first-born son, his successor in the kingdom, as a burnt offering to Chemosh, the ruthless fire-god of Moab.
Consequently, the derived noun 'olah signifies "a burnt offering going up in smoke"
(SB)  This statement is confirmed by the following: According to Jewish tradition a portion of the burnt offering had to be burnt, not on the altar, but near it and to the east, on the so-called ash-heap.
The Altar of Incense, called also the golden altar to distinguish it from the altar of burnt offering which was called the brazen altar.