octagonal

[ ok-tag-uh-nl ]
/ ɒkˈtæg ə nl /

adjective

having eight angles and eight sides.

Origin of octagonal

1565–75; octagon + -al1, replacing earlier octogonal < New Latin octōgōnālis, equivalent to octō- octo- + Greek gōn(ía) angle + -ālis -al1

OTHER WORDS FROM octagonal

oc·tag·o·nal·ly, adverb

Example sentences from the Web for octagonal

British Dictionary definitions for octagonal

octagonal
/ (ɒkˈtæɡənəl) /

adjective

having eight sides and eight angles
of or relating to an octagon

Derived forms of octagonal

octagonally, adverb

Scientific definitions for octagonal

octagon
[ ŏktə-gŏn′ ]

A polygon having eight sides.

Other words from octagon

octagonal adjective (ŏk-tăgə-nəl)