porthole   (TTS Sound)

The porthole has 2 Senses.

• porthole
• a window in a ship or airplane
• 船舶や航空機の窓

• embrasure, port, porthole
• 砲門
• an opening (in a wall or ship or armored vehicle) for firing through
• 発砲するための（壁、船、装甲車の）開口部