sister ship

1. 1.

   a ship that is one of two or more similar ships built at the same time

   Broadership

Questions about sister ship

What does sister ship mean?

sister ship means "a ship that is one of two or more similar ships built at the same time".

Is sister ship a common word?

sister ship is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.