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
- These plant protection products are currently used in various crops (including tomato) worldwide and the two spinosyns are also authorized for organic farming.
- There is little hope that the two countries will normalize relations; their governments seem to hate each other and would just as soon stay on bad terms.
- Overall, experience in the two decades that followed the publication of Dijkstra's letter showed the folly of producing goto-laden code.
- Used in the Beginning of Sentence
- Two years after the flood, my lawyer managed to hammer out a settlement with my insurance company over the damages.
- Two boys, aged 14 and 11, were each sentenced to three strokes of the light rotan at Kluang for stealing duck eggs from Loh Wee Seng.
- Two of the members tried several times, but failed to reunite the band.
- Used in the Ending of Sentence
- I don't want to get involved in the standoff between those two.
- 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.
- 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.