Uncinus

//ʌnˈsaɪ.nəs// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A cloud species which consists of fine hair-like strands, with hooked terminations. Associated only with cirrus formations.
  2. 2
    The curved tip of the hooks associated with belemnite tentacles.

Etymology

From Latin uncīnus (“hook”).

Related phrases

cloud species

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