Meaning of the word "first down" in English

What does "first down" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

first down

US /ˈfɜːrst daʊn/
UK /ˌfɜːst ˈdaʊn/
"first down" picture

Noun

In American football, the first of four attempts to advance the ball at least ten yards. If the offensive team gains ten or more yards, they earn a new first down.

Example:
The quarterback completed a pass for a 15-yard gain, securing a new first down.
They need to get a first down on this play to keep their drive alive.