port·hole /ˈportˌhol, ˈpɔrt-/
舷窗,裝貨口,炮門
Port·hole n. Naut. An embrasure in a ship's side. See 3d Port.
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porthole
n 1: a window in a ship or airplane
2: an opening (in a wall or ship or armored vehicle) for firing
through [syn: port, embrasure]