bird in (one's) bosom

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.
See also: bird, bosom
Farlex Dictionary of Idioms.
See also:
  • the inner man/woman
  • the sleep of the just
  • sleep the sleep of the just
  • Scout's honour
  • conscience
  • on (one's) honor
  • on honor
  • on one's honor
  • on your honour
  • on (one's) honour