what does tuberosity mean
â¢ TUBEROSITY (noun). The noun TUBEROSITY has 1 sense: 1. a protuberance on a bone especially for attachment of a muscle or ligament. Familiarity information: TUBEROSITY used as a noun is very rare. TUBEROSITY (noun). The noun TUBEROSITY has 1 sense: 1. a protuberance on a bone especially for attachment of a muscle or ligament. Familiarity information: TUBEROSITY used as a noun is very rare.