Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Balcĭa (Baltĭa), ae, f., acc. to Xenophon of Lampsacus, a large island, three days’ sail from the coast of Scythia, called by Pythias Basilia, Plin. 4, 13, 27, § 95.