A Self-Propelled Underwater Missile
This page is the CodyCross answer for the clue below from Futuristic City , Group 982, Puzzle 4 (Smart Needles).
Question is: A Self-Propelled Underwater Missile
and the answer is: TORPEDO
Word Meaning:
TORPEDO — (zoology) An electric ray of the genus Torpedo.
Definitions from Wiktionary.