Heavy Material Put on Ships to Give Stability
This page is the CodyCross answer for the clue below from Transport, Group 111, Puzzle 5.
Question is: Heavy Material Put on Ships to Give Stability
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.