Arcual
The Century Dictionary and Cyclopedia
Pertaining to or of the nature of an arc.
the GNU version of the Collaborative International Dictionary of English
adjective.
Of or pertaining to an arc.
adjective.
that in which the unit angle has its measuring arc equal to the radius of the circle.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
Of or pertaining to an
arc
.