definition of
top

[1] #1 top n. the upper part of anything; "the mower cuts off the tops of the grass"; "the title should be written at the top of the first page". wn

[2] #2 top n. [top side, upper side, upside] the highest or uppermost side of anything; "put your books on top of the desk"; "only the top side of the box was painted". wn

[3] #3 top a. situated at the top or highest position; "the top shelf". wn

[4] #4 top n. [peak, crown, crest, tip, summit] the top or extreme point of something (usually a mountain or hill); "the view from the peak was magnificent"; "they clambered to the tip of Monadnock"; "the region is a few molecules wide at the summit". wn

[5] #5 top n. [top of the inning] the first half of an inning; while the visiting team is at bat; "a relief pitcher took over in the top of the fifth". wn