pinnula

pinnula

[pin-yuh-luh]
noun, plural pinnulae [pin-yuh-lee] .
1.
a pinnule.
2.
a barb of a feather.

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

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pinnule or pinnula (ˈpɪnjuːl, ˈpɪnjʊlə)
 
n , pl pinnules, pinnulae
1.  any of the lobes of a leaflet of a pinnate compound leaf, which is itself pinnately divided
2.  zoology any feather-like part, such as any of the arms of a sea lily
 
[C16: from Latin pinnula, diminutive of pinna feather]
 
pinnula or pinnula (ˈpɪnjuːl, ˈpɪnjʊlə, ˈpɪnjʊˌliː)
 
n
 
[C16: from Latin pinnula, diminutive of pinna feather]
 
'pinnular or pinnula
 
adj

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