a. Bot., Anat. and Zool. Also less correctly lingua-, linguæ-. [ad. L. type *linguiform-is, f. LINGUA; see -FORM.] Shaped like the tongue.

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1753.  Chambers, Cycl. Supp., s.v. Leaf, Linguiform leaf, a linear leaf in shape of a tongue, which is obtuse, fleshy, depressed, convex on the under side, and usually cartilaginous at the edge.

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1760.  J. Lee, Introd. Bot., III. v. (1765), 186. Linguiform, Tongue-shaped.

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1826.  Kirby & Sp., Entomol., III. 424. When you look within the mouth, you will find a linguiform organ, which evidently acts the part of a tongue, and therefore ought to have the name.

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1835–6.  Todd, Cycl. Anat., I. 703/1. The foot, which is shaped like a tongue, is named linguiform, as in the Solen strigilatus.

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1848.  Craig, Linguaform.

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1854.  Woodward, Mollusca, II. 304. Veneridæ:… foot linguiform.

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1862.  Cooke, Man. Bot. Terms, Linguæform.

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1887.  Brit. Med. Jrnl., 13 March, 641. In some instances the gall-bladder projects beyond the apex of the linguiform projection.

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