Lettic

·noun The language of the Letts; Lettish.

II. Lettic ·adj Of or pertaining to the Letts; Lettish.

III. Lettic ·noun The language of the Lettic race, including Lettish, Lithuanian, and Old Prussian.

IV. Lettic ·adj Of or pertaining to a branch of the Slavic family, subdivided into Lettish, Lithuanian, and Old Prussian.