Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
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.