Human Glands That Normally Shrink After Age Five

This page is the CodyCross answer for the clue below from World of Sounds, Group 1352, Puzzle 4 (Honking Cars).

Question is: Human Glands That Normally Shrink After Age Five

and the answer is: ADENOIDS

Word Meaning:

ADENOIDS — plural of adenoid

Definitions from Wiktionary.