바다로 내려가 살다가 산란기에 다시 강으로 돌아오는 습성을 가진 큰 무지개송어.
A large, migratory form of rainbow trout that spends part of its life cycle in the ocean or Great Lakes before returning to freshwater to spawn.
예문:
"Anglers travel from all over the world to catch steelhead in the rivers of the Pacific Northwest."
"Unlike most salmon, steelhead can spawn multiple times throughout their lives."
"The conservation group is working to restore the natural habitat of the native steelhead population."