Definition of starfall:
(n) :
(uncountable) The time when a shooting star or meteor shower occurs.
(n) :
(uncountable) Dark night; the time when stars become visible.
(n) :
(meteorology, astrology, rare) A great number of stars descending downward within outer space or the atmosphere; a meteor shower.
(n) :
(science fiction) The act of landing on a star.