The Collaborative International Dictionary of English v.0.48:
Embosom \Em*bos"om\, v. t. [Written also imbosom.] 1. To take into, or place in, the bosom; to cherish; to foster. [1913 Webster] Glad to embosom his affection. --Spenser. [1913 Webster] 2. To inclose or surround; to shelter closely; to place in the midst of something. [1913 Webster] His house embosomed in the grove. --Pope. [1913 Webster] Some tender flower . . . . Embosomed in the greenest glade. --Keble. [1913 Webster]