This is the 12917th most frequent Russian word.
летает
"Летает" means "flies."
Used as a verb describing the action of flying.
Птица летает в небе.
The bird flies in the sky.
Used metaphorically to describe a state of being dreamy or inattentive.
Он всегда летает в облаках.
He is always dreaming or absent-minded.
Used figuratively to convey rapid dissemination or movement.