"Unsweetened coconut" refers to coconut that has not been sweetened or flavored with sugar or any other sweeteners. It is just plain coconut without any added sweetness. Full definition
Place 3 cups of unsweetened coconut flakes into a food processor or high powered blender, and blend. (jessicainthekitchen.com)
I used the powder instead of the soda & cream of tartar; substituted the milk with unsweetened coconut milk and added a bit of lemon zest. (toriavey.com)
I pour the coconut mixture into the cups and sprinkle the tops with shredded unsweetened coconut flakes and cashews. (thesugarcoatedcottage.com)