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Definition of Pinnule
1. Noun. Division of a usually pinnately divided leaf.
Definition of Pinnule
1. n. One of the small divisions of a decompound frond or leaf. See Illust. of Bipinnate leaf, under Bipinnate.
Definition of Pinnule
1. Noun. (botany) Any of the ultimate leaflets of a bipinnate or tripinnate leaf; a subleaflet. ¹
¹ Source: wiktionary.com
Definition of Pinnule
1. a pinnate part or organ [n -S]
Medical Definition of Pinnule
1. A leaflet of a bipinnate leaf. (09 Oct 1997)