This is the 12806th most frequent Russian word.
крылом
The Russian word "крылом" translates to "wing" (instrumental case) in English.
Here, "крылом" is used in the instrumental case to describe an action performed by the bird using its wing.
Птица машет крылом, взлетая в небо.
The bird flaps its wing, taking off into the sky.
In this sentence, "крылом" is part of the prepositional phrase "под крылом," indicating the position relative to the wing.
Под крылом самолёта виден огромный город.
Under the wing of the airplane, a vast city is visible.
"Крылом" is used in the instrumental case to show the agency of the car wing causing damage.