spīcŭlo: āvi, ātum, 1, v. a. spiculum,I to sharpen to a point, to point (post-Aug. and very rare): telum, Plin. 11, 2, 1, § 3: mantichorae cauda spiculata, Sol. 52, § 37.
spīcŭlō, āre (spiculum), tr., rendre pointu : Plin. 11, 3.