girdingum Save DMLBS girdingum [ME girding] , rope (naut.), girt-line. Cf. girthum. c1300 gerdingges (v. chorda 5a); 1313 pro duabus cabulis magnis ‥ listis, ~is, cordis ‥ pro reparacione de la Jonette KR Ac 375/8 f. 6d..