Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
The word ornithorynchus could not be parsed. Trying a normal dictionary lookup:
No entries found. Showing closest matches:
† ornīthŏgălē, ēs, f., = ὀρνιθογάλη, a plant, the star of Bethlehem, Plin. 21, 17, 62, § 102.
† ornīthon, ōnis, m., = ὀρνιθών, a birdhouse, poultry-house (pure Lat. aviarium): ornithonas dico omnium alitum, quae intra parietes villae solent pasci, Varr. R. R. 3, 3, 1; 3, 4, 2; Col. 8, 3, 1.