Looking up...
the number that comes after three and before five
She has four apples in her basket.
This shows 'four' used to describe quantity.
In English, 'four' is a cardinal number used for counting.
Remember that 'four' is spelled with a 'u' and not an 'o' like 'for'.
The ordinal form of 'four' is 'fourth' (e.g., 'the fourth day').
From Middle English 'foure', from Old English 'feower', from Proto-Germanic 'fedwōr', from Proto-Indo-European 'kʷetwóres'.
'Four' is a basic numeral used in counting and measurement. It can also be used as an adjective (e.g., 'four people') or a noun (e.g., 'a four').