Geology:
* Earth's Mantle: The layer of the Earth located between the crust and the core. It's a mostly solid, but very hot and dense layer of rock that plays a key role in plate tectonics and volcanic activity.
Other Meanings:
* A covering or cloak: Like a "mantle of snow" covering the landscape.
* A symbol of authority or power: "He inherited the mantle of leadership."
* A covering for a fireplace: "She put a mantle on the fireplace to keep the heat in."
* A layer of something: "A mantle of dust covered the abandoned house."
To understand the meaning of "mantle" in a specific context, you need to look at the surrounding words and phrases.
For example, if you see the phrase "Earth's mantle," you know it's referring to the geological layer. But if you see "He inherited the mantle of leadership," you know it's talking about a symbolic transfer of power.