Steam Ship
Steam Boat
noun
A steam ship is a steam ship or steam boat. So fancy back in their day!
きせん
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.
この汽船は、あなたの国で何番目に大きい汽船ですか？
How big is this steam ship compared to the rest in this country?
汽船を一台借り切って、シンガポールへ行きました。
We chartered a steam boat for our trip to Singapore.
汽船での世界一周旅行の費用なんて、どうやって捻出するんだよ？
How can we finance our trip around the world by steam boat?