macareux

French Wikipedia has an article on:

macareux

Wikipedia ^fr

Perhaps an alteration of macreuse, with change of suffix.

• IPA^(key): /ma.ka.ʁø/

• Audio:

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macareux m (plural macareux)

1. puffin (seabird with a coloured beak)

• “macareux”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.