tuberosity

Meanings

1. 1
   noun

   anatomy: a large, rough, rounded prominence on a bone, commonly serving as an attachment site for a muscle, tendon, or ligament

   The hamstring muscles attach to the ischial tuberosity of the pelvis.

2. 2
   noun

   rare: the condition of being tuberous or a rounded swelling or projection

   The botanist recorded the unusual tuberosity at the base of the stem.

From Medieval Latin tuberositas, 'knobbiness or swelling,' based on tuber, 'lump or swelling,' + -osity. In anatomy a tuberosity is generally larger and rougher than a tubercle.

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