Flat Round Collar Like J M Barrie's Boy Hero

This page is the CodyCross answer for the clue below from Larger than Life, Group 2152, Puzzle 3 (Airport Hangars).

Question is: Flat Round Collar Like J M Barrie's Boy Hero

and the answer is: PETERPAN

Word Meaning:

PETER — (slang) The penis.

Definitions from Wiktionary.