signācŭlum — Lewis & Short
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, App. Flor. 2, p. 346; Dig. 16, 3, 1, § 36; Novat. Th. 2, tit. 16, c. 1, § 5.