Second Floor
Floor Two, Second Story
noun
The two floor is the second floor. Going up!
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
歯医者さんなら、このビルの二階にあります。
The dentist is on the second floor of this building.
二階だてのマイホームを買いました。
We bought a second story home.
毎日午後に二階にある同じ教室に行って、英語を二時間教えます。
Every afternoon I go to the same classroom on the second floor and teach two hours of English.