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 anatis could not be parsed. Trying a normal dictionary lookup:
No entries found. Showing closest matches:
ănătĭcŭla, ae, f. dim. [anas].
ănătīnus, a, um, adj. [anas], of or pertaining to the duck: Utinam fortunam nunc [ego] anatinam uterer, Uti quom exivissem ex aquā, arerem tamen, * Plaut. Rud. 2, 6, 49.
Hence, ănătīna, ae, f. (sc. caro), duck-flesh, duck, Petr. 56, 3.