superregnum

== English == === Etymology === From Latin above and rēgnum (“kingdom”). === Noun === superregnum (plural superregnums or superregna) (biology, taxonomy) A rank in the classification of organisms: a superkingdom or domain. == Latin == === Noun === superrēgnum n (genitive superrēgnī); second declension superregnum ==== Declension ==== Second-declension noun (neuter).