PENTAGONAL


Meaning of PENTAGONAL in English

adj.

Pronunciation: pen- ' ta-g ə -n ə l

Function: adjective

Date: 1571

1 : having five sides and five angles

2 : having a pentagon as a cross section or as a base <a pentagonal pyramid>

– pen · tag · o · nal · ly \ -n ə l- ē \ adverb

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.