Mattagami

[ muh-tag-uh-mee ]
/ məˈtæg ə mi /

noun

a river in E Ontario, Canada, flowing N to join the Missinaibi River and form the Moose River. 275 miles (443 km) long.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019