LATIN DICTIONARYLexicon Latīnum
noun · neuterthird declension

quadrilatus

quadrilatus n (genitive quadrilateris)

Meaning

  1. New Latinneuterquadrilateral, quadrilater, quadrangle, tetragon
    […] quadrilateribus […]1503, Tetragonismus, folio 24v:
    Sicut tantum habet quadrilatus vnum, quantum latera ſingula: ſic vnuſquiſque tantum prudens eſt, quantũ temperans, fortis, & iuſtus fuerit: prudentia enim, temperantia, fortitudine, atque iuſtitia, quanto perfectæ ſunt ſingulæ, tanto ſibi ſunt coniunctæ: diſiunctæ autem perfectæ eſſe nequaquam poſſunt.1611, Nov-antiqua comparationum vel similium sylva, page 667:

Declension

declension
formsingularplural
nominativequadrilatusquadrilatera
genitivequadrilaterisquadrilaterum
dativequadrilaterīquadrilateribus
accusativequadrilatusquadrilatera
ablativequadrilaterequadrilateribus
vocativequadrilatusquadrilatera

Origins

Proto-Indo-European *kʷetwóresder. Proto-Indo-European *kʷetwr̥- Proto-Italic *kʷetru- Latin quadri- Latin latus Latin quadrilatus From quadri- (“four”) + latus (“side”).

Quick answers

What does quadrilatus mean in Latin?
quadrilatus, a noun, means “quadrilateral, quadrilater, quadrangle, tetragon”.
What is the genitive of quadrilatus?
The genitive singular is quadrilateris. quadrilatus is neuter, third declension.