Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† cŏrōnŏpūs, i, = κορωνόπους, crowfoot; acc. to Sprengel, Plantago coronopus, buckshorn-plantain, Plin. 21, 16, 59, § 99; 22, 19, 22, § 48.