advowson /ədˈvaʊ.z(ə)n/ noun1 •(UK) The right to present a nominee to a vacant ecclesiastical benefice or church office.The advowson of the parsonages of Sempringham and Tirington, being the right of his father, he [St. Gilbert] was presented by him [his father] to those united livings, in 1123. — 1866 formsadvowsons