The Collaborative International Dictionary
Sexangle
Sexangle \Sex"an`gle\, n. [L. sexangulus sexangular; sex six +
angulus angle: cf. F. sexangle. Cf. Hexangular.] (Geom.)
A hexagon. [R.]
--Hutton.
Wiktionary
sexangle
n. (context geometry obsolete English) A hexagon.