m. The boss of a shield or the shield itself; buculus, bucula (cf. bucula the boss of a shield, Isidore), bucularis, umbo, testudo (cf. scyld testudo, clipeus, Wrt. Voc. i. 35, 57) :-- Randbeáh umb[r]o, Wrt. Voc. i. 84, 33 : Ælfc. Gr. 9, 3; Som. 8, 34. Ísen rand-beág ferreus umbo, ii. 147, 79. Umbo randbéh vel bucula, i. 35. 29. Randbeáh buculus, 288, 13. Rondbeág, ii. 11, 37. Rondbaeg, 102, 29. Randbeág buculus vel bucularis, 126, 65. Randbeáh testudo, Ælfc. Gr. 9, 3; Som. 8, 60. Swilce lytel pricu on brádan brede oððe rondbeáh on scilde, Bt. 18, 1; Fox 62, 5. Randbeáges umbonis, Wrt. Voc. ii. 86, 83 : Hpt. Gl. 521, 8. Hrandbeága testudine, 495, 47. Under þiccum randbeáge subter densa testudine, Ælfc. Gr. 47; Som. 48, 29. Randbeág testudinem, Hpt. Gl. 423, 58. Randbeágum umbonibus, 424, 6 : Wrt. Voc. ii. 76, 45. [O. H. Ger. rant-pouc.]