signaculum

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

signācŭlum, i, n. [signo].

I In gen., a mark , a sign (post-class.): corporis, i.e. circumcision , Tert. Apol. 21: frontis inscripta oleo, i.e. the sign of the cross , Prud. Psych. 360.—

II In partic., a seal , signet , Ap. Flor. 2, p. 346; Dig. 16, 3, 1, § 36; Novat. Th. 2, tit. 16, c. 1, § 5.