This is the 17439th most frequent Russian word.
тетка
"Aunt" or an informal term for a woman.
Here, 'тетка' refers to a familial relation, identifying a specific relative (aunt).
Моя тетка живет в Москве.
My aunt lives in Moscow.
In this sentence, 'тетка' is used informally to refer to an older woman, not necessarily related to the speaker.
Около магазина стояла пожилая тетка.
An elderly woman was standing near the store.
The word 'тетка' here is used figuratively or in a colloquial sense, highlighting characteristics typically associated with women.