The batteries are safely enclosed in a watertight compartment.
The ship's hold is built in watertight compartments.
The iceberg damaged 5 of her 16 watertight compartments The Titanic began to sink.
a watertight compartment
She had 16 watertight compartments.
The impact buckled the Titanic's hull and sent sea water pouring into six of its supposedly watertight compartments.
Steamboats are often divided into watertight compartments by watertight partitions.
The 46,000 ton Titanic was then the largest ship in the world. She had 16 watertight compartments. Even if two of these were damaged, she could still float.
but was regarded as unsinkable, for she had sixteen watertight compartments.
a watertight compartment, joint, seal
The iceberb damaged 5 of her 16 watertight compartments.
