buteonine,a.|bjuːˈtiːənaɪn| [f. L. būteōn-em hawk or buzzard + -ine; cf. L. leōnīnus leonine.] Of, pertaining to, or resembling the Buzzard. 1865AthenæumNo. 1987. 732/3 Raptorial bird..somewhat buteonine.1874Coues Birds N.-W. 356 The only buteonine species observed.