From Longman Dictionary of Contemporary EnglishSilicon GlenˌSilicon ˈGlen a humorous name for an area of central Scotland where there are many companies producing computer products. Its name is based on Silicon Valley, because ‘glen’ is a Scottish word for a valley.From Longman Business DictionarySilicon GlenˌSilicon ˈGlen noun journalismCOMPUTING companies and research institutions involved in computer development and manufacturing that are based in Scotland, considered as a wholeThe electronics company has selected Silicon Glen for its main semi-conductor plant.