1) River in Wales and England 2) Slag dross
Found on
https://www.crosswordclues.com/clue/usk
town, present and historic county of Monmouthshire, Wales, lying along the River Usk 20 miles (32 km) from its Bristol Channel mouth. The town was ...
Found on
http://www.britannica.com/eb/a-z/u/19
HMS Usk was a British U Class submarine of 540 tons displacement launched and sunk during the Second World War. HMS Usk was powered by two Davey Paxman diesel engines providing a top speed of 11 knots surfaced and two electric motors providing a top speed of 9 knots submerged. She carried a complement of 31 was armed with one 3 inch gun; three mach...
Found on
http://www.probertencyclopaedia.com/browse/RU.HTM
a river flowing S and SE from SE Wales through SW England into the Severn estuary. 60 mi. (97 km) long.
Found on
https://www.infoplease.com/dictionary/usk
No exact match found.
