Whale Spout
This page is the CodyCross answer for the clue below from Space Exploration, Group 918, Puzzle 2 (Theory of Relativity).
Question is: Whale Spout
and the answer is: BLOWHOLE
Word Meaning:
BLOWHOLE — (marine biology) The spiracle, on the top of the head, through which cetaceans breathe.
Definitions from Wiktionary.