TUBEROSITY
tuberosity, tubercle, eminence
(noun) a protuberance on a bone especially for attachment of a muscle or ligament
Source: WordNet® 3.1
Etymology
Noun
tuberosity (countable and uncountable, plural tuberosities)
(uncountable) The condition of being tuberous
(countable, medicine) A rounded protuberance, at the end of a bone, to which a muscle or tendon is attached
Source: Wiktionary
Tu`ber*os"i*ty, n.; pl. Tuberosities. Etym: [Cf. F. tubérosité.]
1. The state of being tuberous.
2. An obtuse or knoblike prominence; a protuberance.
Source: Webster’s Unabridged Dictionary 1913 Edition