tuberosity noun. [tju:bǝ'rɒsɪti] LME.
[French tubérosité from medieval Latin tuberositas, from Latin tuberosus: see TUBEROSE adjective, -OSITY.]
1. The quality or condition of being tuberous. Now rare or obsolete. LME.

2. A tuberous formation or part, a protuberance, a swelling; spec. (Anatomy & Zoology) a large irregular projection of a bone, usually serving for attachment of a muscle. E17.
ISCHIAL tuberosity. tibial tuberosity: see TIBIAL adjective.

[TahlilGaran] English Dictionary ▲