Home › Words › S › spatfallspatfallspatfall means the arrival of spat at the beach during spawning season for shellfish;.Among words judged in Lexicurio's Arena, spatfall ranks #28,282 of 42,747 for Qualifying.EtymologyFrom spat + fall.nounThe arrival of spat at the beach during spawning season for shellfish;e.g.“Based on these results, spatfall in Ban Laem would occur from July to September and again from December to February.” — 1988, Tanittha Chongpeepien, Bivalve Mollusc Culture Research in Thailand, →ISBN, page 100:Definitions & examples from Wiktionary (CC BY-SA 3.0).