Hull, Ship Hull
noun
A boat's body is called the hull.
せんたい
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
船体は大きかった。
The hull was big.
この船体は中古です。
This hull is used.
全ての船体を直すのには、少なくても一年かかります。
It takes at least a year to fix all of the hulls.