a. [f. SMOOTH a. 14.] Having a smooth head. Chiefly in the names of animals, plants, etc.

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1752.  J. Hill, Hist. Anim., 326. The variegated-backed, smooth-headed Strix.

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1822.  Hortus Anglicus, II. 7. Papaver Dubium. Long Smooth-headed Poppy.

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1831.  Griffith, trans. Cuvier, IX. Syn. 65. Smooth-headed Gerrhonote, Gerrhonotus Leiocephalus.

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1893.  Lydekker, Roy. Nat. Hist., I. 156. The Smooth-Headed Sapajou (Cebus monachus) … is a species from Rio Janeiro.

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