Bur-reed definition

Any of various aquatic or wetland plants of the genus Sparganium, having elongated leaves and ball-like clusters of tiny beaked fruits.

Any of a genus (Sparganium) of the bur-reed family, having grasslike leaves and hard, dry, prickly fruits.

Designating a family (Sparganiaceae, order Typhales) of monocotyledonous marsh or water plants.