Tū'ber-ōs'i-ty, n.
n. [Fr. tubérosité, Sp. tuberosidad, It. tuberosità.]
Sense 1. The state of being tuberous; the state of being knobbed or protuberant.
Sense 2. (Anat.) A knob-like prominence on a bone, having a rough, uneven surface, to which muscles and ligaments are attached. Dunglison.