a strait between N Scotland and the Orkney Islands, linking the North Sea to the Atlantic Ocean: noted for its rough sea conditions. 14 miles (23 km) long.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a channel between the mainland of N Scotland and the Orkney Islands: notorious for rough seas. Length: 32 km (20 miles). Width: up to 13 km (8 miles)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012