Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: pinnula
Next word: pinnywinkle
Definition of: pinnule
(pin′y
l) noun
1. Zool. A small, detached fin, as in mackerel; a finlike appendage.
2. Bot. One of the smaller or ultimate divisions of a pinnate leaf or frond; a secondary pinna. [<NL pinnula PINNULA]
Comment about this word, ask questions, or add new information about this topic: