Search Result for "porthole": 
Wordnet 3.0

NOUN (2)

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, porthole]



The Collaborative International Dictionary of English v.0.48:

Porthole \Port"hole`\, n. (Naut.)
   An embrasure in a ship's side. See 3d Port.
   [1913 Webster]


WordNet (r) 3.0 (2006):

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, porthole]