noun, plural steel·heads, (especially collectively) steel·head.

a silvery rainbow trout that migrates to the sea before returning to fresh water to spawn.

Origin of steelhead

First recorded in 1580–90; steel + head Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for steelhead

Historical Examples of steelhead

  • Steelhead and German brown trout will also be found in the river.

  • The flies named for the red-throat trout are just as killing for the steelhead.

    Favorite Fish and Fishing

    James Alexander Henshall

  • Then there came a day when Dan caught his first steelhead in the North Fork.

    The Voice of the Pack

    Edison Marshall

  • The other claim that the larger scales of the rainbow is a distinguishing feature from the steelhead is not founded on facts.

  • So Steelhead came out of the water presently, and clad himself, while Osberne yet played a while.

    The Sundering Flood

    William Morris

British Dictionary definitions for steelhead


noun plural -heads or -head

a silvery North Pacific variety of the rainbow trout (Salmo gairdneri)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012