serration

definition: a single notch in a row of notches
example: one of the serrations was broken off
speech part: noun
synonyms:
definition: a row of notches
example: the pliers had serrations to improve the grip
speech part: noun
synonyms:
definition: the condition of being serrated
example: the serrations of a city skyline
speech part: noun
synonyms:

How serration is being used?