olecranon olecranoid • olecranon process · · · Info · Definitions · Synonyms · Characters · · olecranon · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) process of the ulna that forms the outer bump of the elbow and fits into the fossa of the humerus when the arm is extended. Synonyms: olecranon process. · · Noun Definition 1 Synonyms · · · olecranon process · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072