Lewis Short
dēvōtĭo (noun F) : devoveo.
* A devoting, consecrating.
* Prop.: Deciorum devotiones,the devoting of themselves,Cic. N. D. 3, 6, 15; cf. vitae,id. Rab. Post. 1 fin.; capitis,id. Dom. 57; a vow, Vulg. Act. 23, 1.
* A cursing, curse, imprecation, execration, Nep. Alcib. 4, 5: pilae in quibus devotio fuerit scripta,id. ib. 6, 5: dissimulata nauseantis devotione,Petr. 103, 6; v. also Macr. Sat. 3, 9.
* Sorcery, enchantment; and concr., a magical formula, incantation, spell, Suet. Calig. 3: carmina et devotiones,id. ib.; Tac. A. 2, 69: devotionibus et veneno peremisse,id. ib. 3, 13; 4, 52: conjugium (i. e. conjugem) principis devotionibus petere,id. ib. 12, 65 al.
* Transf., any form of prayer: devotiones faustae, Ap. M. 11, p. 265, 5.
Charlton T. Lewis, Charles Short, A Latin Dictionary