firstoption
nounUK /ˌfɜːst ˈɒpʃən/
US /ˌfɜːrst ˈɑːpʃən/
The first choice you pick when you can choose.
My firstoption for lunch is a cheese sandwich.
RELATED WORDS
OTHER MEANINGS
2. The earliest available choice in a list or menu.
Press the firstoption on the screen to start the game.
3. A plan you would rather use before any other.
Taking the bus is our firstoption if the car breaks down.
4. The initial setting chosen by default.
The firstoption in the form is already filled in for you.