klīˈtäsə̇ˌbē noun
Usage: capitalized
Etymology: New Latin, from clito- (from Greek klitos slope) + Middle Greek kybē head; perhaps akin to Greek kyphos bent, humpbacked — more at cyphella
: a genus of white-spored agarics (family Agaricaceae) with flat or funnel-shaped pileus and elastic stem — see jack-o'-lantern