plural of serratus

(uncountable) The state of being serrated. / (countable) A set of teeth or notches. / (countable) One of the teeth in a serrated or serrate edge.

plural of serration

(zoology) Having a toothed bill, like that of a toucan.

A proteolytic enzyme (protease) produced by Serratia enterobacteria.

present participle of serrate

serratiopeptidase

(pathology) A disease caused by infection by bacteria of the genus Serratia.