macareuxcommon nounSyllable DecompositionmacareuxEtymologyexpandprobably derived from macreuse.Definition1. Seabird of the alcid family with black and white plumage and a colorful beak, living in colonies in the cool temperate regions of the North Atlantic and North Pacific.expandHyponymsmacareux moinemacareux cornumacareux huppémacareux rhinocérosTranslationsenglish:puffinfinnish:lunni