Undecagon

2 definitions found

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

  Undecagon \Un*dec"a*gon\, n. [L. undecim eleven + Gr. ? an
     angle.] (Geom.)
     A figure having eleven angles and eleven sides.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  undecagon
       n : an eleven-sided polygon