n. 25B6; noun
the gown was set low over her bosom : BUST, chest; breasts, mammary glands, mammae; informal boobs, knockers, bubbies; Brit. informal bristols, charlies; N. Amer. informal bazooms; archaic embonpoint.
(poetic/literary) the family took Gill into its bosom : PROTECTION, shelter, safety, refuge; heart, core; poetic/literary midst.
love was kindled within his bosom : HEART, breast, soul, core, spirit.
25B6; adjective bosom friends : CLOSE, boon, intimate, inseparable, faithful, constant, devoted; good, best, firm, favourite.