Hypertext Webster Gateway: "pentagonal"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Pentagonal \Pen*tag"o*nal\, a. [Cf. F. pentagonal, pentagone, L.
pentagonus, pentagonius, Gr. ?.]
Having five corners or angles.
{Pentagonal dodecahedron}. See {Dodecahedron}, and
{Pyritohedron}.
From WordNet (r) 1.7 (wn)
pentagonal
adj : of or relating to or shaped like a pentagon [syn: {pentangular}]
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