two meaning
EN
[tuː] [tʰu̟ː] [tu] [tʰu̟] [-uː] 
US WTwo
- NounPLtwosPREtwo-
- The digit/figure 2.
- The number 2202 contains three twos.
- (US) INF A two-dollar bill.
- A child aged two.
- This toy is suitable for the twos and threes.
- The playing cards featuring two pips.
- The digit/figure 2.
- More Examples
- Used in the Middle of Sentence
- It's about time he left home and learnt how to stand on his own two feet.
- I'd have you to know; and though you are a sodger, and wear a red coat, let me tell you there is a tough colt in the woods that your two legs can't straddle.
- The two cases of mycosis fungoides were discussed because the provisional first histologic diagnosis was spongiotic dermatitis.
- Used in the Beginning of Sentence
- Two blood pressure measurements were obtained with a standard sphygmanometer.
- Two thumbs up means everything om time and perfect.
- Two independent experiments were done and the interexperiment Mean ± standard deviation (SD) is shown.
- Used in the Ending of Sentence
- The screens are connected by chain belts and splocket wheels, so that the bottom screen drives the other two.
- In both instances this goal toward which the gift is directed dissociates the engifted from the gift, whereas his opponents would identify the two.
- I don't want to get involved in the standoff between those two.
- Used in the Middle of Sentence
Definition of two in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Countable nouns
- Numerals
- Nouns
- en twofold
- en twos
- en two-edged
- en two-faced
- en two-footed
Source: Wiktionary
Grammatically, this word "two" is a noun, more specifically, a countable noun. It's also a numeral.