Polyacra

1 definition found

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

  Polyacron \Pol`y*a"cron\, n.; pl. {Polyacra}, E. {Polyacrons}.
     [NL., fr. Gr. poly`s many + 'a`kron summit.] (Geom.)
     A solid having many summits or angular points; a polyhedron.
     [1913 Webster]