cohoe co·hoe uncommon noun 1. fatty pinkish flesh of small salmon caught in the Pacific and Great Lakes Synonymssilver salmoncoho salmoncoho 2. small salmon of northern Pacific coasts and the Great Lakes Synonymscohocoho salmonblue jacksilver salmonOnchorynchus kisutch Related words Broader terms salmon Parts cohoOnchorynchus Part of silver salmon WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.