BILLABONG /ˈbɪləbɒŋ/ ► audio Scrabble 14 Words With Friends 20 Definition noun a stagnant pool of water in the bed of a stream that flows intermittently. noun a branch of a river made by water flowing from the main stream only when the water level is high. See all 133 words you can make from BILLABONG → 9-letter words Words starting with B Words ending with G ← Unscramble different letters