1.  A name given to species of plantain (trans. med.L. arnoglossa, Gr. ἀρνόγλωσσον), and other plants.

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1578.  Lyte, Dodoens, I. lxiii. 92. Plantayne is called in Greeke ἀρνόγλωσσος that is Lingua Agnina, Lammes tungue.

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1597.  Gerarde, Herbal, II. xcii. § 6. 340.

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1688.  R. Holme, Armoury, II. 64/2. A bunch of Plantan Leaves … some call it Lambs Tongue.

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1803.  Trans. Soc. Arts, XXI. 171. Will eat a sort of weed provincially termed Lamb’s Tongue (somewhat resembling the sweet gale in appearance, but not in smell).

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  2.  A sort of plane (see quot.); also the molding shaped by this plane.

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1858.  Skyring’s Builder’s Prices (ed. 48), 36. If astragal and hollow, lamb’s tongue or other modern bar, add 11/2d.

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1875.  Knight, Dict. Mech., Lamb’s-tongue, a plane with a deep, narrow bit for making quirks.

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