
1) Ship type
Found on
https://www.crosswordclues.com/clue/longship

Longships (aka longboats) were sea vessels made and used by the Vikings from the Nordic countries for trade, commerce, exploration, and warfare during the Viking Age although scientific analysis of the oak timber shows at least one well known ship was built in Dublin, Ireland. The longship’s design evolved over many years, beginning in the Stone...
Found on
http://en.wikipedia.org/wiki/Longship

type of sail-and-oar vessel that predominated in northern European waters for more than 1,500 years and played an important role in history. Ranging ... [5 related articles]
Found on
http://www.britannica.com/eb/a-z/l/71

Viking warship, probably developed in the 8th century. Longships were manoeuvrable and fast, well designed for raiding coastal settlements. They could carry 60 or more warriors and travelled under...
Found on
http://www.encyclo.co.uk/local/20688

A Viking boat.
Found on
http://www.encyclo.co.uk/visitor-contributions.php

Viking warship, probably developed in the 8th century. Longships were manoeuvrable and fast, well designed for raiding coastal settlements. They could carry 60 or more warriors and travelled under sail or by rowing. There were up to 30 rowing benches in standard longships (the `great ships` of the late Viking Age had even more). The lengt...
Found on
https://www.encyclo.co.uk/local/21221

a medieval ship used in northern Europe esp. by the Norse, having a long, narrow, open hull, a single square sail, and a large number of oars, which provided most of the propulsion.
Found on
https://www.infoplease.com/dictionary/longship
No exact match found.