What does "devote" mean?

Additional senses

1. 2.To give up wholly; to addict; to direct the attention of wholly or compound; to attach; -- often with a reflexive pronoun; as, to devote one's self to science, to one's friends, to piety, etc. Thy servant who is devoted to thy fear. Ps. cxix.
2. 3.They devoted themselves unto all wickedness. Grew. A leafless and simple branch . . . devoted to the purpose of climbing. Gray. See Addict.
3. 4.Devoted; addicted; devout. [Obs.] Milton.
4. 5.A devotee. [Obs.] Sir E. Sandys.