pentangular
English
Etymology
From
pent-
+
angular
.
Adjective
pentangular
(
not comparable
)
Having
five
corners
or
angles
.
References
“
pentangular
”, in
Webster’s Revised Unabridged Dictionary
, Springfield, Mass.:
G. & C. Merriam
,
1913
,
→OCLC
.