A Flat Piece of Wood That Returns When Thrown
This page is the CodyCross answer for the clue below from All Things Water, Group 1291, Puzzle 4 (Roman Aqueducts).
Question is: A Flat Piece of Wood That Returns When Thrown
and the answer is: BOOMERANG
Word Meaning:
BOOMERANG — Any of various traditional throwing sticks used for hunting or combat by Australian aborigines, including the symmetrical, crescent-shaped, type (the returning boomerang).
Definitions from Wiktionary.