tower


tower (http://definr.com/tower)

     n 1: a structure taller than its diameter; can stand alone or be
          attached to a larger building
     2: 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" [syn: column, pillar]
     3: a powerful small boat designed to pull or push larger ships
        [syn: tugboat, tug, towboat]
     v : appear very large [syn: loom, hulk]