__ Cup, Rubber Cup for Sticking Things on Glass
This page is the CodyCross answer for the clue below from Inside the Spaceship, Group 1187, Puzzle 2 (Comforts of Home).
Question is: __ Cup, Rubber Cup for Sticking Things on Glass
and the answer is: SUCTION
Word Meaning:
SUCTION — (physics) A force which pushes matter from one space into another because the pressure inside the second space is lower than the pressure in the first.
Definitions from Wiktionary.