Definition of devotion
b
: an act of prayer or private worship
—usually used in plural during his morning devotions
c
: a religious exercise or practice other than the regular corporate (see corporate sense 2) worship of a congregation
2a
: the act of dedicating something to a cause, enterprise, or activity : the act of devoting
the devotion of a great deal of time and energy
b
: the fact or state of being ardently dedicated and loyal
her devotion to the cause filial devotion
3
obsolete
: the object of one's devotion
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Merriam-Webster unabridged
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Time Traveler for devotion
The first known use of devotion was in the 13th century
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