Word

porthole, n.
(portholes)

an opening (in a wall or ship or armored vehicle) for firing through
<noun.artifact> freq. cnt.: 1 freq. cnt.: 1

embrasure port porthole

semantic pointers

hypernym

domain of synset (topic)

a window in a ship or airplane
<noun.artifact>

porthole

semantic pointers

part meronym

part holonym

hypernym