By confusion with the -i plural of many Latin words ending in -us. <span class="searchmatch">cinguli</span> (proscribed) plural of cingulum <span class="searchmatch">cingulī</span> genitive singular of cingulum...
Italianate Ecclesiastical) IPA(key): [ˈt͡ʃiŋ.ɡu.lum] Cingulum n sg (genitive <span class="searchmatch">Cingulī</span>); second declension a city in interior Picenum situated on a lofty hill...
cingō (“to gird”). IPA(key): /ˈsɪŋɡjələm/ cingulum (plural cingula or <span class="searchmatch">cinguli</span>) The girdle of an alb. (neuroanatomy) A collection of white matter fibers...