This is the 19608th most frequent Korean word.
어선
Fishing boat.
Here, '어선' is used as the noun for 'fishing boat,' specifically highlighting its functional role in fishing.
어선은 바다에서 물고기를 잡는 데 사용돼요.
Fishing boats are used to catch fish in the sea.
In this sentence, '어선' refers to a particular fishing boat, emphasizing its departure from the harbor.
그 어선은 오늘 아침에 항구를 떠났습니다.
That fishing boat left the harbor this morning.
Here, '어선' is pluralized to indicate multiple small fishing boats engaging in fishing near the coastline.