ˈmī.trə noun
Etymology: New Latin, from Latin, headband, turban; from the shape of the shell — more at miter
1. capitalized : a genus (the type of the family Mitridae) of chiefly East Indian marine snails having a slender acutely pointed often brightly colored shell
2. -s
[New Latin, from Latin]
a. : galea
b. : the thick rounded pileus of various mushroom fungi