- tower - a structure taller than its diameter; can stand alone or be attached to a larger building
--1 is a kind of structure, construction
--1 has particulars:- column, tower, pillar - anything tall and thin approximating 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"
--2 is a kind of shape, form
--2 has particulars: columella; hoodooDerived form: verb tower1 - tugboat, tug, towboat, tower - a powerful small boat designed to pull or push larger ships
--3 is a kind of boat
--3 has parts: helmDerived form: verb tow1 - column, tower, pillar - anything tall and thin approximating 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"