cosso

cosso [OF cosson < cocionem] , horse-coper. 1287 pro eisdem equis emendis et pro cozonibus conductis ad brocand’ eosdem equos AcWardr (TR Bk. 201) p. 15; 1299 roberia facta super quemdam ~onem equorum juxta Stanford’ in com. Linc’ Gaol Del. 37/4 r.3d. (cf. ib. r.5: †corsonem).