The person or thing in the first position.
The first gear of an engine.
Something that has never happened before; a new occurrence.
First base
A first-class honours degree.
A first-edition copy of some publication.
A fraction of an integer ending in one.
Time; time granted; respite.
Preceding all others of a series or kind; the ordinal of one; earliest.
Most eminent or exalted; most excellent; chief; highest.
Before anything else; firstly.
For the first time;