bird in (one's) bosom

obsolete An oath of faith, servitude, piety, or conscience that is kept guarded in one's heart, mind, and spirit. Truly, my lord, I am at your service and loyal to your name, and I shall guard the bird in my bosom till my last breath.

Common Names:

Name	Pronounced	Usage
Seymour	SEE-mawr	English
Heber (1)	-	Irish
Mohandas	-	Indian, Hindi
Rita	REE-tə (English), REE-tah (German)	Italian, English, Swedish, Norwegian, Danish, German, Hungarian, Spanish, Portuguese
Rubin	['ru:bin]
RacŁAw	RAHTS-wahf	Polish