pinna, pinnule
(noun) division of a usually pinnately divided leaf
Source: WordNet® 3.1
pinnule (plural pinnules)
(botany) Any of the ultimate leaflets of a bipinnate or tripinnate leaf; a subleaflet.
(zoology) 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.
• (subleaflet): pinnula
Source: Wiktionary
Pin"nule, n. Etym: [L. pinnula, dim. of pinna feather: cf. F. pinnule.]
1. (Bot.)
Definition: One of the small divisions of a decompound frond or leaf. See Illust. of Bipinnate leaf, under Bipinnate.
2. (Zoöl.)
Definition: Any one of a series of small, slender organs, or parts, when arranged in rows so as to have a plumelike appearance; as, a pinnule of a gorgonia; the pinnules of a crinoid.
Source: Webster’s Unabridged Dictionary 1913 Edition
26 March 2025
(noun) bandage consisting of a firm covering (often made of plaster of Paris) that immobilizes broken bones while they heal
Espresso is both a coffee beverage and a brewing method that originated in Italy. When making an espresso, a small amount of nearly boiling water under pressure forces through finely-ground coffee beans. It has more caffeine per unit volume than most coffee beverages. Its smaller serving size will take three shots to equal a mug of standard brewed coffee.
