High-Pitched Sound Made With Partly Closed Lips
This page is the CodyCross answer for the clue below from Resorts, Group 541, Puzzle 2 (Check in Time).
Question is: High-Pitched Sound Made With Partly Closed Lips
and the answer is: WHISTLE
Word Meaning:
WHISTLE — A device designed to be placed in the mouth and blown, or driven by steam or some other mechanism, to make a whistling sound.
Definitions from Wiktionary.