a. [On L. type cōniformis, f. cōn-us CONE: see -FORM.] Having the form of a cone; cone-shaped.

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c. 1790.  Kirwan, cited by Webster 1828.

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1811.  J. Pinkerton, Petral., I. 63. Grand coniform elevations, whose slopes and sides are loaded with little conical summits.

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