a. Bot. and Zool. [ad. mod.L. spīniformis: see SPINE sb.1 and -FORM. So F. spiniforme.] Having the form of a spine or spinous process.
1833. Hooker, in J. E. Smith’s Eng. Flora, V. I. 108. Leaves smaller fewer with 3 sharp spiniform teeth at the extremity.
1852. Dana, Crust., I. 470. Large hand with short and small but spiniform tubercles.
1868. W. S. O., trans. Figuier’s Ocean World, vii. 151. The axis … presents on its surface small spiniform projections.
