An "OUD" is an Arabic Lute - five strings and no frets. The name may be the (French influenced) version of Arabic al'ud ( flexible stick) from which "lute" was drerived.

From " The ultimate Encyclopedia of Musical Instruments" bt Robert Dwearing.

It is noted in this publication that " John Haywood recently collaborated with the Iraqi composer Salman Skukur on a concerto for oud and orchestra.

There is no illustration,

Jimmy C