precibus
form analysis and translation based on Perseus (Version 2010):
ABL P F | DAT P F
prex N  a prayer, request, entreaty
Helmut Schmid's TreeTagger with Latin data by Gabriele Brandolini: prex N:dat
Georges, Ausführliches lateinisch-deutsches Handwörterbuch, 8. Aufl. (1913)
prex, precis, f. (doch nur im Dat., Akk. u. Abl.), häusiger Plur. precēs, precum, die Bitte, das Bitten, I) im allg.: miserae ac luctuosae preces, rührende u. klägliche, Cic. ep.: preces infimae, Liv., tacitae, Apul.: nihil est preci loci relictum, Ter.: oro te per precem, Plaut.: prece humili, (show full text)
Lewis & Short, A latin dictionary (1879)
prex, prex, prĕcis (nom. and gen. sing. not in use; dat. and acc. sing. only ante-class.; most freq. in plur.), f. precor, a prayer, request, entreaty (class.). In gen.: nunc te oro per precem, Plaut. Capt. 2, 1, 47: nihil est preci loci relictum, Ter. And. 3, (show full text)
Gaffiot, Dictionnaire latin-français (2016, ex 1934), merci à G. Gréco, M. De Wilde, B. Maréchal, K. Ôkubo!
prex prex [inus., donné par Char. 93, 17 ; Prisc. Gramm. 8, 4], gén. precis Cypr. Laps. 255, 11 ; dat. preci Ter. Andr. 601, prière : per precem Pl. Capt. 244 ; prece Hor. S. (show full text)
Дворецкий И.Х., Отличный латинско-русский словарь (1976)
prex prex, precis fсм. preces.
DuCange, Glossarium mediae et infimae latinitatis (1883-7)
PREX, Παράϰλησις, ἱϰεσία, in Gloss. Lat. Gr.