Lettic

Part of speech: adjective (a.)

1. Of or pertaining to the Letts; Lettish.

2. Of or pertaining to a branch of the Slavic family, subdivided into Lettish, Lithuanian, and Old Prussian. -- n.

3. The language of the Letts; Lettish.

4. The language of the Lettic race, including Lettish, Lithuanian, and Old Prussian.