supreme headquarters allied powers europe: the supreme headquarters that advises NATO on military matters and oversees all aspects of the Allied Command Europe
entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
hyacinth bean: perennial twining vine of Old World tropics having trifoliate leaves and racemes of fragrant purple pea-like flowers followed by maroon pods of edible seeds; grown as an ornamental and as a vegetable on the Indian subcontinent; sometimes placed in genus Dolichos