fundament

Definitions of fundament
  1. noun
    the fleshy part of the human body that you sit on
    synonyms: ass, backside, behind, bottom, bum, buns, butt, buttocks, can, derriere, fanny, hind end, hindquarters, keister, nates, posterior, prat, rear, rear end, rump, seat, stern, tail, tail end, tooshie, tush
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    type of:
    body part
    any part of an organism such as an organ or extremity
  2. noun
    lowest support of a structure
    synonyms: base, foot, foundation, groundwork, substructure, understructure
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    types:
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    bed
    a foundation of earth or rock supporting a road or railroad track
    raft foundation
    a foundation (usually on soft ground) consisting of an extended layer of reinforced concrete
    railroad bed
    a bed on which railroad track is laid
    roadbed
    a bed supporting a road
    type of:
    support
    supporting structure that holds up or provides a foundation
  3. noun
    the fundamental assumptions from which something is begun or developed or calculated or explained
    synonyms: base, basis, cornerstone, foundation, groundwork
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    types:
    meat and potatoes
    the fundamental part
    type of:
    assumption, supposal, supposition
    a hypothesis that is taken for granted
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