Stones Carried on a Ship to Balance It Out
This page is the CodyCross answer for the clue below from Mesopotamia, Group 970, Puzzle 1 (Astronomy and Astrology).
Question is: Stones Carried on a Ship to Balance It Out
and the answer is: BALLAST
Word Meaning:
BALLAST — (nautical) Heavy material that is placed in the hold of a ship (or in the gondola of a balloon), to provide stability.
Definitions from Wiktionary.