Definify.com
Webster 1913 Edition
Lettic
Let′tic
(lĕt′tĭk)
, Adj.
(a)
Of or pertaining to the Letts; Lettish.
(b)
Of or pertaining to a branch of the Slavic family, subdivided into Lettish, Lithuanian, and Old Prussian.
– Noun.
(a)
The language of the Letts; Lettish.
(b)
The language of the Lettic race, including Lettish, Lithuanian, and Old Prussian.