serration

noun ser·ra·tion \ sə-ˈrā-shən , se- \

Definition of serration

1 : the condition of being serrate

2 : a formation resembling the toothed edge of a saw

3 : one of the teeth in a serrate margin

Recent Examples of serration from the Web

The largest of these Ice Age cats sported canines that were 11 inches long, with fine serrations giving the fangs even more of a cutting edge.

— brian switek, Smithsonian, "How Did Sabercats Use Those Outlandish Fangs?," 21 Mar. 2017
And what’s up with putting the serrations at the tip of the blade instead of the more usual location near the handle?

— dylan tweney, WIRED, "Review: Roundup: Folding Pocket Knives," 29 June 2009
Not even T. rex had bigger serrations on its teeth, Dal Sasso says.

— traci watson, USA TODAY, "Prehistoric giant croc had T-Rex teeth," 4 July 2017
Piacsek, a physics professor at Central Washington University, stands on the only flat surface: a metal grating suspended above claw-like serrations thrusting up from the floor.

— sandi doughton, The Seattle Times, "A room where sound goes to die — and scientists go to study," 3 July 2017
The largest of these Ice Age cats sported canines that were 11 inches long, with fine serrations giving the fangs even more of a cutting edge.

— brian switek, Smithsonian, "How Did Sabercats Use Those Outlandish Fangs?," 21 Mar. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'serration.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.