Pinnule

noun

Definitions

Noun
  1. 1
    Any of the ultimate leaflets of a bipinnate or tripinnate leaf; a subleaflet.
  2. 2
    division of a usually pinnately divided leaf wordnet
  3. 3
    A part or an organ which resembles the barb of a feather, particularly the side branches on the stalks of crinoids; Any of the lateral divisions of the finger-like stalks of an encrinite.

Etymology

From Latin pinnula.

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