Western Isles wes·ter·nis·les uncommon noun 1. a group of more than 500 islands off the western coast of Scotland SynonymsHebridesHebridean IslandsHebridean IslesWestern IslandsWestern Isles Related words Broader terms archipelago Parts Scotland Part of Inner HebridesOuter Hebrides WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
