Maw (noun)

1. The stomach or digestive tract of an animal, especially of a large carnivorous animal such as a shark or a bear.
2. An insatiable appetite or a voracious hunger.

Origin:

The word 'maw' originated from the old english word 'maeg' meaning 'stomach' or 'gullet'. it has been used since the 9th century.

Examples:

1. The lion's maw was filled with the remains of its recent kill.
2. The shark's maw was large enough to swallow a man whole.
3. His maw was never satisfied, no matter how much he ate.
4. The bear's maw was full of honey and berries.
5. His maw for adventure was never satisfied.