A Cat Can Get It Stuck in Its Throat

Puzzle 19 of Hawaii Pack

Question is: A Cat Can Get It Stuck in Its Throat

and the answer is: HAIRBALL

Word Meaning:

HAIRBALL — A trichobezoar; a small wad of fur or mass of hair formed in the digestive system of a cat or other animal, from hair ingested while grooming.

Definitions from Wiktionary.