a. [f. SPICUL-A, SPICUL-E, or SPICUL-UM + -AR. Cf. F. spiculaire.]
1. Of the nature of a spicule or spicula; slender and sharp-pointed; also, characterized by the presence of spicules: a. In Min., Zool., etc.
1794. R. J. Sulivan, View Nat., I. 308. Spicular poisons, antimony and sublimate, may be rendered inoffensive by sheathing their points in oil or in wax.
1796. Kirwan, Elem. Min. (ed. 2), II. 197. [Tin stone] found massive, or in blunt, or spicular fragments.
1832. Brewster, Nat. Magic, xiii. 340. In several cavities in minerals I have found black spicular crystals.
1861. J. R. Greene, Man. Anim. Kingd., Cœlent., 160. We find, in the genus Zoanthus, a spicular corallum. Ibid., 161. The spicular stage permanently exemplified in Alcyonium.
1872. H. A. Nicholson, Palæont., 72. A peculiar tubular or spicular skeleton.
b. In general use.
18227. Good, Study Med. (1829), I. 614. Calcareous or other spicular materials, inhaled while working on stones or metals. Ibid., IV. 556. Some spicular node within the cranium.
1844. H. Stephens, Bk. Farm, I. 298. Should the flakes be spicular and fall very thick and fast, then a heavy fall may be expected.
2. Characteristic of a spicule or spicules.
1813. Edinb. Rev., XXI. 55. The castellated and spicular appearance of the ruins of the sandstone.