A ship which is moored or grounded in a channel in order to block it, for purposes of war or to provide shelter.
More example sentences
- There was little choice about the type of ships to use as blockships.
- Suitably buoyed up by our first dive, the team spent the afternoon exploring one of the famous blockships dotted around the ring of islands that make up Scapa Flow.
- Most divers who have been to Scapa Flow will have dived blockships in Burra Sound.