serration

UK: /səˈreɪʃən/ US: (se rā′shən)

WordReference Random House Unabridged Dictionary of American English © 2026

ser•ra•tion  (se rā′shən), n. 

1. serrated condition or form.
2. Biology a serrated edge or formation.
3. one of the notches or teeth of such an edge or formation.

Also, ser•ra•ture  (ser′ə chər). 

• Neo-Latin serrātiōn- (stem of serrātiō). See serrate, -ion
• 1700–10

Collins Concise English Dictionary © HarperCollins Publishers::

serration / səˈreɪʃən/, (less commonly)serrature / ˈsɛrətʃə/ noun

1. the state or condition of being serrated
2. a row of notches or toothlike projections on an edge

WordReference Random House Learner's Dictionary of American English © 2026

ser•rat•ed /ˈsɛreɪtɪd, səˈreɪ-/   adj. 

1. having sawlike teeth, esp. for cutting:
   a serrated knife.

ser•ra•tion, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2026

ser•rat•ed  (ser′ā tid, sə rā′-), adj. 

1. having a notched edge or sawlike teeth, esp. for cutting;
   serrate:
   the serrated blade of a bread knife.
2. Biology serrate.

• serrate + -ed² 1695–1705