Noun Definition

number one

1.Definition: a reference to yourself or myself etc.; `take care of number one' means to put your own interests first

Category: People

2.Definition: the first element in a countable series

"The first of the month"

Related Noun(s):first

Category: General

3.Definition: the first or highest in an ordering or series

"He wanted to be the first"

Related Noun(s):first

Category: General