Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. strĭo, no perf., ātum, 1, v. a. [stria], to furnish with furrows or channels; to hollow out, groove, flute, striate: columnas viginti striis, Vitr. 4, 3 fin.: asparagum in toros, Plin. 19, 8, 42, § 146; cf. concham, id. 9, 33, 52, § 102: lilium, id. 21, 5, 11, § 23: virgula, Sen. Q. N. 1, 7, 1: conchula, App. Mag. p. 297, 3: frons striata, wrinkled, id. M. 10, p. 239, 18.
2. strĭo, ōnis, m., rare collat. form of histrio, Schol. Juv. 1, 1.