noun · 2 senses · updated from the 2026-07-25 local source snapshot
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/ʌnˈsaɪ.nəs/
rhymes with -aɪnəs
1
noun
Meaning 1
A cloud species which consists of fine hair-like strands, with hooked terminations. Associated only with cirrus formations.
Definition source: English Wiktionary via Wiktextract