Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† tĕrēdo, ĭnis, f., = τερηδών, a worm that gnaws wood, clothing, etc., a wood fretter, moth, Plin. 16, 41, 80, § 220; Col. 4, 24, 6, Vitr. 5, 12; Ov. P. 1, 1, 69; Plin. 8, 48, 74, § 197, 23, 7, 70, § 135; 28, 20, 81, § 264.