Any of various fish from the family found in the North Atlantic. The pelvic fins of these large round fish are joined, forming a large lump (which is actually a suction disk). Lumpfish are renowed for their roe (see also caviar). The best cooking method for their oily flesh is poaching.
From The Food Lover's Companion, Fourth edition by Sharon Tyler Herbst and Ron Herbst. Copyright © 2007, 2001, 1995, 1990 by Barron's Educational Series, Inc.