tower

nouns

a structure taller than its diameter; can stand alone or be attached to a larger building

tower

is a type of (narrower)

a thing constructed; a complex entity constructed of many parts

"the structure consisted of a series of arches"; "she wore her hair in an amazing construction of whirls and ribbons"

anything that approximates the shape of a column or tower

"the test tube held a column of white powder"; "a tower of dust rose above the horizon"; "a thin pillar of smoke betrayed their campsite"

column, pillar, tower

a powerful small boat designed to pull or push larger ships

towboat, tower, tug, tugboat

is derived from

appear very large or occupy a commanding position

"The huge sculpture predominates over the fountain"; "Large shadows loomed on the canyon wall"

hulk, loom, predominate, tower