Piercing Shriek of an Owl
This page is the CodyCross answer for the clue below from Underground Worlds, Group 2178, Puzzle 3 (Hidden Tombs).
Question is: Piercing Shriek of an Owl
and the answer is: SCREECH
Word Meaning:
SCREECH — (countable) A high-pitched strident or piercing sound, such as that between a moving object and any surface.
Definitions from Wiktionary.