2.NounThe throne name of a pharaoh, the fourth of the five names of the royal titulary, traditionally encircled by a cartouche and preceded by the title nswt-bjtj.
"Tutankhamun's praenomen or throne name was Nebkheperrure, "Lord of the forms of Ra"."
3.NounThe genus name in a binomial scientific name.
"In the name Tyrannosaurus rex, "Tyrannosaurus" is the praenomen."