[1] : WordNet (r) 2.0

manna from heaven
     n 1: old testament food that god gave the israelites during the
          exodus syn: miraculous food, manna
     2: a sudden happening that brings good fortune as a sudden
        opportunity to make money; "the demand for testing has
        created a boom for those unregulated laboratories where
        boxes of specimen jars are processed lik an assembly line"
        syn: boom, bonanza, gold rush, gravy, godsend,
        windfall, bunce
see also:
miraculous food manna boom bonanza gold rush gravy 
godsend windfall bunce 

Heaven >> H Words
Heaven, definition of term: Heaven
heaven_pag1.html

Manna >> M Words
Manna, definition of term: Manna
manna_pag1.html

Seventh Heaven >> S Words
Seventh Heaven, definition of term: Seventh Heaven
seventh+heaven_pag1.html