This is the 9674th most frequent Russian word.
черкасова
"Черкасова" is a Russian surname and does not have a standalone meaning in English.
Here, 'Черкасова' is used as a proper noun indicating a last name in its feminine form, typically referring to a female individual.
Черкасова работает врачом.
Cherkasova works as a doctor.
In this sentence, 'Черкасову' is the accusative form of the proper noun 'Черкасова,' used to indicate the object of the action of meeting.
Я встретил Черкасову вчера вечером.
I met Cherkasova yesterday evening.
In this context, 'Черкасовой' is the genitive form used to link possession or association with the noun 'дом' (house).