FAO, the /ˌef eɪ ˈəʊ $ -ˈoʊ/ BrE AmE
1 . (the Food and Agriculture Organization) a part of the ↑ United Nations whose aim is to increase food production, especially in poorer countries, for example by teaching better farming skills. It is also responsible for sending food to areas where there is seriously little food.
2 . (for the attention of) a note written on a letter or envelope when you want a particular person in an organization to see it or deal with it