Definition of hagfish
: any of a family (Myxinidae) of marine cyclostomes that are related to the lampreys and in general resemble eels but have a round mouth surrounded by barbels and that feed upon other fishes and invertebrates by boring into their bodies
Recent Examples of hagfish from the Web
The skin of the hagfish has been described as covering its body like a loosely fitting sock.
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First Known Use of hagfish
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