n. The act of removing a live shark's fin, and releasing the shark back into the sea.
The Century Dictionary and Cyclopedia
n. The last throes of a whale in dying. See to fin out, under fin, intransitive verb
Word Usage
"The International Union for the Conservation of Nature and the IUCN Shark Specialist Group recommend that shark finning is banned in all national waters and international waters through the requirement that all sharks be landed with their fins naturally attached."