- bottom [bät′əm]n.[ME botme < OE botm, bodan, ground, soil < IE * bhudh-men < base * bhudh- > L fundus, ground, Gr pythmen, bottom, Ger boden]1. the lowest part2.a) the lowest or last place or position [the bottom of the class]b) Baseball the second half ( of an inning)3. the part on which something rests; base4. the underside or whichever end is underneath [the bottom of a crate]5. the seat of a chair6. the part farthest in; inner end, as of a bay or lane7. the bed or ground beneath a body of water☆ 8. [usually pl.] BOTTOMLAND9.a) the part of a ship's hull normally below waterb) a ship; esp., a cargo ship10. [usually pl.] the lower unit of a two-piece garment, as pajama trousers11. fundamental or basic meaning or cause; source12. endurance; stamina13. Informal the buttocksadj.of, at, or on the bottom; lowest, last, undermost, basic, etc.vt.1. to provide with a bottom2. to place (something) on or upon a foundation; basevi.1. to reach or rest upon the bottom2. to be based or established——————at bottomfundamentally; actually——————be at the bottom ofto be the underlying cause of; be the real reason for——————☆ bet one's bottom dollarSlang to bet one's last dollar; bet everything one has——————☆ bottom outto level off at a low point, as prices——————bottoms up!Informal drink deep!: a toast
English World dictionary. V. Neufeldt. 2014.