<span class="searchmatch">hēmisphaeriīs</span> dative/ablative plural of hēmisphaerium...
Ecclesiastical) IPA(key): [e.misˈfɛː.ri.um] hēmisphaerium n (genitive <span class="searchmatch">hēmisphaeriī</span> or hēmisphaerī); second declension hemisphere cupola, dome Second-declension...