A Person Described as Shy, Rhymes With Disconcert

Puzzle 16 of Hot Things Piece of Cake Pack

Question is: A Person Described as Shy, Rhymes With Disconcert

and the answer is: INTROVERT

Word Meaning:

INTROVERT — (zoology) An organ or other body part that is or can be turned inside out, especially an anterior portion of some annelid worms capable of retraction.

Definitions from Wiktionary.