Definitions of bosom:

• noun:   cloth that covers the chest or breasts
• noun:   a person's breast or chest
• noun:   the chest considered as the place where secret thoughts are kept

  Example: "His bosom was bursting with the secret"

• noun:   a close affectionate and protective acceptance

  Example: "In the bosom of the family"

• noun:   either of two soft fleshy milk-secreting glandular organs on the chest of a woman
• noun:   the locus of feelings and intuitions

  Example: "Her story would melt your bosom"

• verb:   hide in one's bosom

  Example: "She bosomed his letters"

• verb:   hug, usually with fondness