a. Bot. and Zool. [f. L. flābell-um (see FLABEL) + -ATE2.] Like a fan in form, fan-shaped.

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1819.  G. Samouelle, Entomol. Compend., 197. Rhipiphorus … antennæ pectinated or flabellate.

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1853.  G. Johnston, Nat. Hist. E. Bord., I. 214. The branchlets of the Ash and Plane are opposite, patent, and knobby; those of the Elms alternate, zigzag, and flabellate; of the Oak irregular, kneed, and spreading; and of the Willow irregular and erect, but so lithe as almost to droop.

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1856.  W. Clark, Van der Hoeven’s Zool., I. 235. Branchiæ two flabellate, infundibuliform or pectinate, spiral, large, with bearded laciniæ and a soft cylindrical filament at the base in the first segment of the body, which is without rudiments of feet.

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