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