Cúspido, cúspidas, pen. cor. cuspidáre. Plin. To poynt or make sharpe at the ende.
Lewis and Short: Latin dictionary
cuspĭdo, no perf., ātum, 1, v. a. [cuspis], to make pointed, to point (only in the foll. pass.): hastilia, Plin. 11, 37, 45, 126; cf. id. 18, 19, 49, 179.