quadratus
quadrigae
qua·dri·an·gu·lus
quadrangular
Similar to quadriangulus
angulus
–
corner, niche
quadrivium
–
crossroads, place where four roads meet, second stage of the medieval curriculum
quadrigae
–
four team
singulus
–
one at a time, one each, separate, single
iugulus
–
the throat
quadrum
–
a square
quadruplator
–
an exaggerator, informer