devotio

Ceremony during which a general devoted (offered) himself and his army to the Manes (benevolent spirits) and the Earth by reciting a formula, dictated to him by the pontifex maximus, to ward off a major peril to the army and obtain victory from the gods on the occasion of a battle.

Devotio

In ancient Roman religion, the devotio was an extreme form of votum (an offering in fulfillment of an advance promise) in which a Roman general vowed to sacrifice his own life in battle along with the enemy to chthonic gods in exchange for a victory. The most extended description of the ritual is given by the Augustan historian Livy, regarding the...
Found on http://en.wikipedia.org/wiki/Devotio

devotio

(Christian) piety, devotion, zeal.
Found on https://www.math.ubc.ca/~cass/frivs/latin/latin-dict-full.html

devotio

Latin, meaning: (Christian) piety, devotion, zeal.
Found on http://archives.nd.edu/ddd.htm
No exact match found