O / ob-signo
verb transitive

ob-signo

2nd PP ob-signāre · 3rd PP ob-signāvi · 4th PP ob-signātum · conj. 1st
to seal, seal up
v. a., to seal, seal up a will, a letter, etc. (class.).
to sign and seal; to deal with one with sealed writings; in the strictest form
In gen.: cedo tu ceram ac linum actutum: age obliga, obsigna cito, Plaut. Bacch. 4, 4, 96: cellas, id. Cas. 2, 1, 1: lagenas, Q. Cic. Fam. 16, 26: epistulam, Cic. Att. 8, 6, 1; id. Pis. 28, 71.—Esp.: tabulas, testamenta, to sign and seal, as a witness: istam ipsam quaestionem, dicite, quis obsignavit? Cic. Clu. 66, 185: tabellas ejus rei condicionisque, id. Quint. 21, 67: testamentum signis adulterinis, id. Clu. 14, 41: obsignavit anulo, Vulg. Dan. 6, 17.—Prov.: agere cum aliquo tabellis obsignatis, to deal with one with sealed writings, i. e. in the strictest form, Cic. Tusc. 5, 11, 33 (cf.: tamquam ex syngraphā agere cum populo, id. Mur. 17, 35): tabulas obsignare velle, would seal up the documents, i. e. would have no discussion, id. Pis. 28, 69.—
in particular
To seal up the papers and effects of an accused person
To seal up the papers and effects of an accused person, Cic. Verr. 1, 19, 50.—Hence,
To seal an accusation
To seal an accusation against one: qui contra Scaurum patrem suum obsignaverat, Cic. Scaur. Fragm. ap. Ascon.—
To pledge; mortgage under one's hand and seal
To pledge or mortgage under one's hand and seal: tria agri jugera ad aerarium obsignaverat, Val. Max. 4, 4, 7.—
To close under seal, make fast
To close under seal, make fast: inane obsignari nihil solere, Cic. Div. 2, 70, 145; cf. the context.—
to stamp, impress figuratively
Trop., to stamp, impress: formam verbi, Lucr. 4, 567: aliquid obsignatum habere, to impress on the mind, id. 2, 581.