This is the 8003rd most frequent Russian word.
коростелёв
"Коростелёв" is a Russian surname and does not have a specific definition in English.
In this sentence, 'Коростелёв' is used as a surname to denote the identity of an individual.
Пётр Коростелёв приехал в Москву на этой неделе.
Pyotr Korostelev arrived in Moscow this week.
In this usage, 'коростелёв' refers to the nickname or symbolic representation of the corncrake bird in folklore or poetic context.
В поле показался коростелёв, который давно не показывался людям.
A corncrake appeared in the field, which hadn't been seen by people for a long time.
Here, 'коростелёв' might metaphorically describe a natural quality or characteristic in a scientific or imaginative framework.