The term 'blossom-to-be' is a metaphor for something that is in the process of developing or maturing. The crossword solution for this term is 'BUD', which is a reference to the flower BUD, which is the first stage of a flower's development before it blooms into a full-fledged blossom. Thus, the term 'blossom-to-be' can be interpreted as a flower BUD that is in the process of becoming a beautiful blossom.