Blossom \Blos"som\, v. i. [imp. & p. p. {Blossomed}; p. pr. & vb. n. {Blossoming}.] [AS. bl?stmian. See {Blossom}, n.] 1. To put forth blossoms or flowers; to bloom; to blow; to flower. The moving whisper of huge trees that branched And blossomed. --Tennyson. 2. To flourish and prosper. Israel shall blossom and bud, and full the face of the world with fruit. --Isa. xxvii. 6.