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Definition 2025

knikker m ‎(plural knikkers, diminutive knikkertje n)

a marble (toy)
various similarly shaped objects, including:
1. a billiards ball
2. certain seeds
3. (humorous) a head, especially a bald skull (typically in kale knikker)
(by extension) a lump or stone
(metonymically) (in the plural, absolutely used with definite article: de knikkers) The stakes of a game, deal etc.

Germanic: the root of knikken 'to nod' + -er

knikker m ‎(plural knikkers, diminutive knikkertje n)