noun back·fin \ˈbak-ˌfin\

Definition of backfin

  1. :  white crabmeat from the area of the body near the hind swimming legs Faidley's sells a crab cake made from claw meat for $4.50 and one made from backfin for $7.95 … — R. W. Apple Jr., New York Times, 19 Feb. 2003 The beauty of backfin crab meat is its white, sweet chunkiness, but even the best quality crab must be picked over for bits of cartilage and shell that manage to elude skillful packers. — Judith Huxley, Washington Post, 8 May 1983

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First Known Use of backfin


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to criticize severely

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