<span class="searchmatch">quadriangulōrum</span> genitive masculine/neuter plural of quadriangulus...
quadriangula genitive quadriangulī quadriangulae quadriangulī <span class="searchmatch">quadriangulōrum</span> quadriangulārum <span class="searchmatch">quadriangulōrum</span> dative quadriangulō quadriangulae quadriangulō quadriangulīs...