sigillography|sɪdʒɪˈlɒgrəfɪ| [f. as prec.: see -graphy.] The science or study of seals. 1879Athenæum 27 Dec. 827 The splendid volume devoted by M. Demay to sigillography.1886Ibid. 11 Sept. 341/3 It is only of late years that much attention has been paid to Byzantine sigillography.