- the liver of a lobster.
Origin of tomalley
1660–70; earlier taumali < Carib
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- fat from a lobster, called "liver", and eaten as a delicacy
C17: of Caribbean origin; compare Galibi tumali sauce of crab or lobster liver