The cardinal number equal to the sum of 1 + 1. Two is a whole number that's greater than one, but less than three. If you found one fuzzy mitten and then your friend gave you another one, you would have two mittens โ€” perfect for your two.

The meaning of two is being one more than one in number. How to use two in a sentence. Two is a noun when it refers to the number two as in two plus two is four. The word two is derived from the old english words twฤ (feminine), tลซ (neuter), and twฤ“ฤกen (masculine, which survives.