n.
1.an elderly unmarried woman
2.any of various plants of the genus Zinnia cultivated for their variously and brightly colored flower heads
3.commonly cultivated Old World woody herb having large pinkish to red flowers
4.a person who is primly fastidious
5.a card game using a pack of cards from which one queen has been removed
Idiom of the Day
to whom it may concern
to the person to whom something applies
I do not know the name of the sales manager so I will address the letter, "to whom it may concern."