Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
lōlīgo (loll-), ĭnis, f., the cuttle-fish, Varr. L. L. 5, § 79 Müll.; Plin. 9, 28, 44, § 83; Cic. Div. 2, 70, 145: hic nigrae sucus loliginis, Hor. S. 1, 4, 100.