What is "arginase"

n. (context enzyme English) An enzyme that catalyses the hydrolysis of arginine to form urea and ornithine

Arginase (, arginine amidinase, canavanase, L-arginase, arginine transamidinase) is a manganese-containing enzyme. The reaction catalyzed by this enzyme is: arginine + HO → ornithine + urea. It is the final enzyme of the urea cycle. It is ubiquitous to all domains of life.