Noun walnut tree has 1 sense

• walnut tree(n = noun.plant) walnut - any of various trees of the genus Juglans; Array
has parts: walnut
is a member of genus juglans, juglans
has particulars: california black walnut, juglans californica, butternut, butternut tree, juglans cinerea, white walnut, black hickory, black walnut, black walnut tree, juglans nigra, circassian walnut, english walnut, english walnut tree, juglans regia, persian walnut
is a kind of nut tree