European lobster eu·ro·pean·lobster uncommon noun 1. similar to but smaller than American lobsters SynonymsEuropean lobster 2. lobster of Atlantic coast of Europe SynonymsEuropean lobsterHomarus vulgaris Related words Broader terms true lobsterlobster Parts HomarusEuropean lobster Part of European lobster WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.