-rəˌnän, -rāˌ- noun
( -s )
Etymology: New Latin, from Greek ōlekranon, from ōlenē elbow + kranion head, skull — more at ell , cranium
: the large process of the ulna that projects behind the elbow joint, forms the bony prominence of the elbow, and receives the insertion of the triceps muscle — see funny bone 1