Artificial intelligent assistant

trilater

† trilater, a. Obs. rare.
  [ad. L. trilater-us: see next.]
  = next.

1570 Billingsley Euclid xvi. xxix. 453 To proue that an octohedron geuen, is tredecuple sesquialter to a trilater equilater pyramis inscribed in it.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC 2d6f45e805e07f19abaaf5d5d26a0455