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 arcuare could not be parsed. Trying a normal dictionary lookup:
No entries found. Showing closest matches:
arcŭārĭus, a, um, adj. [arcus], pertaining to the bow: fabricae, Veg. Mil. 2, 11.
Hence, subst.: arcŭārius, ii, m., a maker of bows, Dig. 50, 6, 6.