devotion . ( Of the lat. )( devotio, - onis ). 1. f. love, veneration and zeal religious. 2. f. pious practice not compulsory. 3. f. inclination, special hobby. 4. , f. custom devout, and custom in general, good. 5. f. Rel. Promptly to that one is willing to give worship to God and do his Holy will. devotion of nuns. 1. f. assistance to their booths and frequent conversation with them. be a person, a nation, a city, an army, etc., to the devotion of someone. 1. loc. verb. Be voluntarily subject to the obedience of another person. ? V. House of devotion