Definitions for pinnule

• Definition
• Anagrams (100)

pinnule pin·nule

Spelling: [pin-yool]

IPA: /ˈpɪn yul/

Pinnule is a 7 letter English word. It's valid Scrabble word worth 9 points. It's valid Words with friends word worth 14 points.

You can make 100 anagrams from letters in pinnule (eilnnpu).

Definitions for pinnule

noun

1. Zoology. a part or organ resembling a barb of a feather, a fin, or the like. a finlet.
2. Botany. a secondary pinna, one of the pinnately disposed divisions of a bipinnate leaf.
3. a metal plate with a small hole in it, used as a sight in a quadrant.

Origin of pinnule

1585-95; Latin pinnula pinnula

Examples for pinnule

The index reference for "pinnule" should probably be 59, rather than 66, but was not changed.

pinnule, a secondary division of a bipinnate or tripinnate leaf, 66.

Sporangia in oblong sori under a reflexed tooth of a pinnule; indusium broad; rachis dark and shining.

The sori are in the form of lines which branch out from the lower part of the pinnule in a fan-shaped manner.

They occur about midway between the central vein of the pinnule and the margin of the leaf.

The sori are placed on small veins which grow outwards from the midrib of the pinnule.