flense Syllabification: (flense)Pronunciation: /flens/ (also flench /flenCH/)Definition of flense verb [with object] slice the skin or fat from (a carcass, especially that of a whale). strip (skin or fat) from a carcass:the skin had been flensed offDerivatives flenser noun Origin: early 19th centuryflense in other Oxford dictionaries Definition of flense in the British & World English dictionary