Yat has 3 different meanings across 1 category:
Proper Noun
A vowel letter of the Cyrillic and Glagolitic alphabet (Cyrillic capital Ѣ, Cyrillic small ѣ, Glagolitic ⱑ), no longer in current use
A person of the New Orleans, Louisiana area who speaks with a Yat accent.
A unique collection of dialects of English spoken in New Orleans, Louisiana.