Falx

//fælks// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A short Dacian sword resembling a sickle. historical
  2. 2
    Any sickle-shaped part or process.; A curved fold or process of the dura mater or the peritoneum, especially one of the partition-like folds of the dura mater which extend into the great fissures of the brain.
  3. 3
    Any sickle-shaped part or process.; A chelicera. dated
  4. 4
    Any sickle-shaped part or process.; A snake's poison fang.
  5. 5
    Any sickle-shaped part or process.; A rotula of a sea urchin.

Etymology

From Latin falx (“sickle”). Doublet of dalk.

Related phrases

falx cerebellifalx cerebridura matersea urchin

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.