Definition of "Top" :
noun: a canvas tent to house the audience at a circus performance
"They had the big top up in less than an hour."
noun: a garment (especially for women) that extends from the shoulders to the waist or hips
"He stared as she buttoned her top."
noun: covering for a hole (especially a hole in the top of a container)
"He removed the top of the carton."
noun: a conical child's plaything tapering to a steel point on which it can be made to spin
"He got a bright red top and string for his birthday."
noun: platform surrounding the head of a lower mast
noun: the greatest possible intensity
"He screamed at the top of his lungs."
noun: the top or extreme point of something (usually a mountain or hill)
noun: the highest or uppermost side of anything
"Put your books on top of the desk."
noun: the upper part of anything
"The mower cuts off the tops of the grass."
noun: the highest level or degree attainable; the highest stage of development
"At the top of his profession."
noun: the first half of an inning; while the visiting team is at bat
"A relief pitcher took over in the top of the fifth."
verb: finish up or conclude
"They topped off their dinner with a cognac."
verb: be the culminating event
verb: cut the top off
"Top trees and bushes."
verb: strike (the top part of a ball in golf, baseball, or pool) giving it a forward spin
verb: reach or ascend the top of
"The hikers topped the mountain just before noon."
verb: pass by, over, or under without making contact
"The balloon cleared the tree tops."
verb: provide with a top or finish the top (of a structure)
"The towers were topped with conical roofs."
verb: be superior or better than some standard
"She topped her performance of last year."
verb: be ahead of others; be the first
"She topped her class every year."
verb: be at the top of or constitute the top or highest point
"A star tops the Christmas Tree."
adjective: situated at the top or highest position
"The top shelf."