Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ā̆prĭcŭlus, i, m. dim. [aper], a small fish, similar in appearance to the wild hog, App. Mag. p. 296, 34 Elm. (Enn. ib. 299, 15, contracted, apriclus).