pentagonus

pentagōnus, a, um (πεντάγωνος), fünfeckig, Gromat. vet. 249, 9; 348, 10. Boëth. inst. arithm. 2, 6 u. 13. – subst., pentagōnon u. pentagōnum, ī, n., a) das Fünfeck, Gromat. vet. 106, 24; 314, 2. Boëth. art. geom. p. 404, 6 u. 419, 12 Fr. – b) = pentapetes, Ps. Apul. herb. 2.

pentagonus [LL < πεντάγωνος] , that has five angles or corners, pentagonal. b (as sb. n.) pentagon. si basis fuerit ~a [Trevisa: fyve-cornered], pyramis surgens triangularis v triangulos representare poterit supra basim Bart. Angl. XIX 128; fyve cornerd, ~um CathA.  b nunc demonstrandum est quomodo in circulo assignato equalium laterum et angulorum ~um describi conveniat Adel. Elem. IV 11; cum propositi fuerint in ~o equalium laterum tres anguli equales, erunt anguli omnes ~i equales Ib. XIII 7; angulus ~i regularis est rectus, et quinta recti Bacon Tert. 137.

pentăgōnus, a, um (πεντάγωνος), qui a cinq côtés : Grom. 249, 9.