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pinnula

American  
[pin-yuh-luh] / ˈpɪn yə lə /

noun

plural

pinnulae

  1. a pinnule.

  2. a barb of a feather.

Etymology

Origin of pinnula

1740–50; < Latin, diminutive of pinna pinna; see -ule

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.