1[countable,usually singular]bottom (of something)the lowest part of somethingFootnotes are given at the bottom of each page.The wind blew through cracks at the top and bottom of the door.I waited for them at the bottom of the hill.The book I want is right at the bottom (= of the pile).oppositetop
2[countable,usually singular]bottom (of something)the part of something that faces downward and is not usually seenThe manufacturer's name is on the bottom of the plate.
3[countable,usually singular]bottom (of something)the lowest surface on the inside of a containerI found some coins at the bottom of my bag.Allow the tea leaves to settle to the bottom of the cup.
4[singular]the ground below the water in a lake, river, swimming pool, etc.He dived in and hit his head on the bottom.I feel safe as long as I can touch the bottom.
5[singular]bottom (of something)the lowest position in a class, on a list, etc.; a person, team, etc. that is in this positiona battle between the teams at the bottom of the leagueYou have to be prepared to start at the bottom and work your way up.I was always at the bottom of the class in math.oppositetop
part of body
6[countable]the part of the body that you sit onsynonymbackside,behind
7[countable,usually plural]the lower part of a set of clothes that consists of two piecespajama/bikini bottomstops and bottomscomparetop
8[countable]the lower part of a ship that is below the surface of the watersynonymhull
9(in adjectives)having the type of bottom mentioneda flat-bottomed boat
ThesaurusbottombasefoundationfootThese are all words for the lowest part of something.bottom [usually sing.] the lowest part of something:Footnotes are given at the bottom of each page.I waited for them at the bottom of the hill.base [usually sing.] the lowest part of something, especially the part or surface on which it rests or stands:The lamp has a heavy base.foundation [usually pl.] a layer of bricks, concrete, etc. that forms the solid underground base of a building:to lay the foundations of the new schoolfoot [sing.] the lowest part of something:She waited for him at the foot of the stairs.bottom or foot?Foot is used to talk about a limited number of things: it is used most often with tree, hill/mountain, steps/stairs, and page. Bottom can be used to talk about a much wider range of things, including those mentioned above for foot.Patternsat/near/toward the bottom/base/foot of somethingon the bottom/base of something (a) firm/solid/strong base/foundation(s)Idioms