trigonus

Latin

Etymology

While apparently a macaronic compound of Latin trēs (“three”) + Ancient Greek γῶνος (gônos, “angle, corner”), it actually corresponds with the Greek adjective τρίγωνος (trígōnos, “triangular”)

Pronunciation

• (Classical Latin) IPA^(key): /triˈɡoː.nus/, [t̪rɪˈɡoːnʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /triˈɡo.nus/, [t̪riˈɡɔːnus]

Adjective

trigōnus (feminine trigōna, neuter trigōnum); first/second-declension adjective

1. trigonal; three-angled; having three angles

Declension

First/second-declension adjective.

Number	Singular				Plural
Case / Gender	Masculine	Feminine	Neuter		Masculine	Feminine	Neuter
Nominative	trigōnus	trigōna	trigōnum		trigōnī	trigōnae	trigōna
Genitive	trigōnī	trigōnae	trigōnī		trigōnōrum	trigōnārum	trigōnōrum
Dative	trigōnō		trigōnō		trigōnīs
Accusative	trigōnum	trigōnam	trigōnum		trigōnōs	trigōnās	trigōna
Ablative	trigōnō	trigōnā	trigōnō		trigōnīs
Vocative	trigōne	trigōna	trigōnum		trigōnī	trigōnae	trigōna

Related terms

• quadrigōnus

References

• “trigonus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• trigonus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• trigonus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.