Lewis Short
(verb) : as -servo (ads-, Fleck., B. and K., Weissenb., Müller), āvi, ātum, 1
* To watch over, keep, preserve, observe, guard (carefully) a person or thing (very freq. of things kept in custody; in the class. per. mostly in prose): adservatote haec, sultis, navales pedes (i. e. mercenarii),Plaut. Men. 2, 2, 75: tabulae neglegentius adservatae,Cic. Arch. 5: corpora (mortuorum) in conditorio,Plin. 7, 16, 16, § 75: ignem in ferulā,id. 7, 56, 57, § 198: thynni sale adservantur,id. 9, 15, 18, § 48; and, in sale adservari,id. 9, 25, 41, § 80: Hunc quoque adserva ipsum, ne quo abitat,watch,Plaut. Rud. 3, 4, 72: sinito ambulare, si foris, si intus volent, Sed uti adserventur magnā diligentiā,id. Capt. 1, 2, 6: acerrime adservabimus,we shall very closely watch,Cic. Att. 10, 16: portas murosque,Caes. B. C. 1, 21: arcem,Curt. 9, 7: ut vinctum te adservet domi,Plaut. Bacch. 4, 4, 98: cura adservandum vinctum,Ter. And. 5, 2, 24; so id. Heaut. 3, 3, 32; 4, 4, 12: imperat dum res judicetur, hominem ut adservent,Cic. Verr. 2, 3, 22; 2, 5, 30: ut domi meae te adservarem, rogāsti,id. Cat. 1, 8, 19: Vitrubium in carcerem adservari jussit,Liv. 8, 20; 40, 23; 27, 19 fin.; 6, 30: sacra fideli custodiā,id. 5, 40: puella Adservanda nigerrimis diligentius uvis,Cat. 17, 16.
Charlton T. Lewis, Charles Short, A Latin Dictionary