pinniform

English

Etymology

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

Adjective

pinniform (comparative more pinniform, superlative most pinniform)

1. Shaped like a fin or feather.
   • 1752, John Hill, A General Natural History:

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

References

• “pinniform”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.