High-Pitched Sound Made With Partly Closed Lips
This page is the CodyCross answer for the clue below from Earth, Group 12, Puzzle 3.
Question
High-Pitched Sound Made With Partly Closed Lips
Answer
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.