The mouth, throat, or gullet of an animal, especially a carnivorous mammal. The lion's maw was wide open as it roared across the savannah.
The stomach, especially that of an animal. The hunter examined the contents of the bear's maw to determine its last meal.
A cavernous opening that resembles the open jaws of an animal. The cave's entrance was a dark maw that seemed to swallow the light.
An insatiable or voracious appetite. The project consumed resources at an alarming rate, like a maw that could never be filled.