Frustum

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Frustum \Frus"tum\, n.; pl. L. {Frusta}, E. {Frustums}. [L.
     fruslum piece, bit.]
     [1913 Webster]
     1. (Geom.) The part of a solid next the base, formed by
        cutting off the, top; or the part of any solid, as of a
        cone, pyramid, etc., between two planes, which may be


        either parallel or inclined to each other.
        [1913 Webster]
  
     2. (Arch.) One of the drums of the shaft of a column.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  frustum
       n : a truncated cone or pyramid; the part that is left when a
           cone or pyramid is cut by a plane parallel to the base
           and the apical part is removed
       [also: {frusta} (pl)]