The national summer sport of Canada is lacrosse, an 8-letter word. Lacrosse is a team sport that originated in North America and is now played around the world. It is believed to have been invented by Indigenous peoples in the 16th century. The game involves two teams of players using sticks to pass and catch a ball in order to score goals. It is a fast-paced and physical sport, and is popular in Canada, the United States, and other countries.