Home › Words › T › toplighttoplighttoplight means A lantern or light on the top of a vessel.Among words judged in Lexicurio's Arena, toplight ranks #3,412 of 42,747 for Qualifying.EtymologyFrom top + light.nounA lantern or light on the top of a vessel.any light at the top of somethingDefinitions & examples from Wiktionary (CC BY-SA 3.0).