Heavy Brake for a Ship
This page is the CodyCross answer for the clue below from The 70's, Group 328, Puzzle 4 (Space Invaders).
Question is: Heavy Brake for a Ship
and the answer is: ANCHOR
Word Meaning:
ANCHOR — (nautical) A tool used to moor a vessel to the bottom of a sea or river to resist movement.
Definitions from Wiktionary.