little boy

Short definition from Wiktionary

Noun

1. 1
   A male child, especially one younger than ten years of age.
2. 2
   A small saveloy often consumed with tomato sauce at parties, also known as a cocktail sausage or a cheerio.
3. 3
   A male perceived to be weaker than or subservient to another one; or, a boy who is too young for his job.

Proper noun

1. 1
   The nuclear bomb dropped over Hiroshima, Japan on August 6, 1945.