WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / B / breastbone breastbone noun /brɛstboʊn/ 2 syllables 10 letters Scrabble 14 WWF 17 Definitions noun the flat bone that articulates with the clavicles and the first seven pairs of ribs sternum Look “breastbone” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →