serration

American  

[se-rey-shuhn] / sɛˈreɪ ʃən /

Also serrature

noun

1. serrated condition or form.

2. a serrated edge or formation.

3. one of the notches or teeth of such an edge or formation.

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serration British  

/ səˈreɪʃən, ˈsɛrətʃə /

noun

1. the state or condition of being serrated

2. a row of notches or toothlike projections on an edge

3. a single notch

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Etymology

Origin of serration

First recorded in 1700–10, serration is from the New Latin word serrātiōn- (stem of serrātiō ). See serrate, -ion