[n] a structure taller than its diameter; can stand alone or be attached to a larger building
[n] a powerful small boat designed to pull or push larger ships
[n] 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"
[v] appear very large or occupy a commanding position; "The huge sculpture predominates over the fountain"; "Large shadows loomed on the canyon wall"