A Group of These Tentacled Stingers Is a Smack
Puzzle 6 of Life of a Book Medium Pack
Question is: A Group of These Tentacled Stingers Is a Smack
and the answer is: JELLYFISH
Word Meaning:
JELLYFISH — An almost transparent aquatic animal; any one of the acalephs, especially one of the larger species, having a jellylike appearance.
Definitions from Wiktionary.