This is the 19682nd most frequent Korean word.
엄지손가락을
"Thumb."
The word '엄지손가락을' (thumb) is used in the context of a gesture to express approval or a positive signal.
그녀는 승인을 보이며 엄지손가락을 올렸다.
She gave approval and raised her thumb.
Here, '엄지손가락을' refers specifically to the physical action of using the thumb for flipping pages.
저는 책을 넘기기 위해 엄지손가락을 사용합니다.
I use my thumb to flip through the book.
In this sentence, '엄지손가락을' is used to describe the injured body part—the thumb.