poire
/pwɑː/Canadian. Now rare
noun
(The blue-black berry of) any of several North American shrubs of the genus Amelanchier (family Rosaceae), resembling the pear in their white flowers.
Origin
Early 19th century. Short for Canadian French poire sauvage, lit. ‘wild pear’, in the same sense from poire + sauvage, so called from the resemblance of the flowers to those of the pear.