A / apprōmissor
noun

apprōmissor

gen. apprōmissōris · gender masculine · decl. 3rd
(), , appromitto
one who is security for another; security; bail
one who is security for another, security, bail (only in jurid. Lat.), Dig. 45, 1, 5; 46, 3, 43; cf. Fest. p. 13.