Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. rĕ-sĕro, sēvi, 3, v. a., to sow or plant again; to plant with any thing, Varr. L. L. 5, § 39 Müll.; Col. 4, 33, 3; 3, 11, 2; Plin. 18, 20, 49, § 183.