megafan (English, noun)
expansion: megafan (plural megafans)
Senses:
topics: geography
geology
natural-sciences
glosses: A very large mass of clastic sediment deposited by a laterally mobile river system that fans out from the outlet from a large mountainous drainage network.
glosses: An obsessively enthusiastic fan.
tags: informal
Forms:
form: megafans
tags: plural