01 n. 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 plane…
pl.
Frusta, Frustums ((#))
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1.
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.(Geom.)
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2.
One of the drums of the shaft of a column.(Arch.)