Dictionary Home »
Webster's New World College Dictionary » quindecennial
quindecennial
quindecennial definition
quin·de·cen·nial (kwin′di sen′ē əl)
adjective
- happening every fifteen years
- lasting fifteen years
Etymology: < L quindecim (see quindecagon) + -ennial, as in biennial
noun
a fifteenth anniversary or its commemoration
Browse dictionary definitions near quindecennial