Were the Philistines Canaanites?

Were the Philistines Canaanites? The https://www.merriam-webster.com/dictionary/Philistine Says that they were: "of or relating to the people of ancient Philistia", not Canaan. >Now the ***Philistines*** gathered together their armies to battle...and Saul and the men of Israel were gathered together...And the ***Philistines*** stood on a mountain on the one side, and Israel stood on a mountain on the other side...And there went out a champion out of the camp of the ***Philistines*** named Goliath of Gath, whose height was six cubits and a span! (1 Samuel 17:1-4) Were the Philistines just another tribe of Canaanites with a history of living in the land of Israel?