serrulation

English

Noun

serrulation (countable and uncountable, plural serrulations)

1. The state of being notched minutely, like a fine saw.
   • 1821, William Paul Crillon Barton, A Flora of North America:

     The margin […] in the older leaves […] marked by about four serratiform indentures, scarcely deserving the appellation of serrulations.

2. One of the teeth in a serrulate margin.