pinniform

P3I1N1N1I1F4O1R1M3

adjective

Shaped like a fin or feather.

OriginLatin pinna →
Scrabble 16
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Meanings

adjectivepinniform (comparative more pinniform, superlative most pinniform)

comparative more pinniform · superlative most pinniform

  1. Shaped like a fin or feather.

    The Blennius , with pinniform and bifid cirri under the throat , and with transverse areolæ on the back

    1752, John Hill, A General Natural History

Origin

  1. Latinpinna“feather, fin”
  2. Englishpinniform

From Latin pinna (“feather, fin”) + -form.

More words from Latin

Full word history & related roots →
Cite this entry
APA

pinniform. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/pinniform

MLA

“pinniform.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pinniform. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “pinniform,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/pinniform.

Source: pinniform on Wiktionary, CC BY-SA 4.0.