Crossword clues for the word: INNERTUBE The word INNERTUBE has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for INNERTUBE Showing 1 to 9 of 9 results Clue(s) "Doughnut for dinner? Something like a potato with no beginning or end (4)" Crossing Tiber with nun, cardinal produces rubber ring Housing start for floaters? Inflatable river ride, and what 18-, 24-, 38- or 51-Across contain? Makeshift river float Tire filler, perhaps Waterslide aid Waterslide ride Wheel lining beer tun in development