shagbark noun2 •A North-American hickory (Carya ovata) that has shaggy bark in mature trees; shagbark hickoryTrees such as the pin oak, the shagbark hickory, the linden, and the sugar maple are the arboreal equivalent of the high school student council. — 1990 •A West Indian leguminous tree, Pithecellobium micradenium. formsshagbarks