Even Light Can't Escape This Space Phenomenon

This page is the CodyCross answer for the clue below from Treasure Island, Group 1039, Puzzle 2 (Calico Jack).

Question is: Even Light Can't Escape This Space Phenomenon

and the answer is: BLACKHOLE

Word Meaning:

BLACK HOLE — A place of punitive confinement; a lockup or cell; a military guardroom.

Definitions from Wiktionary.

Even Light Can't Escape This Space Phenomenon - Treasure Island CodyCross Answers | CodyCross Solutions