Found 2 items, similar to asternal.
English → English (WordNet) Definition: asternal asternal adj : not connected to the sternum or breastbone; “asternal ribs”
English → English (gcide) Definition: Asternal Asternal \A*ster"nal\, a. [Pref. a- not + sternal.] (Anat.) Not sternal; -- said of ribs which do not join the sternum. [1913 Webster]