Lactuca sativa lac·tu·ca·sativa uncommon noun 1. annual or perennial garden plant having succulent leaves used in salads; widely grown Synonymsgarden lettucecommon lettuceLactuca sativa Related words Word family Lactuca sativa asparaginaLactuca sativa capitataLactuca sativa crispaLactuca sativa longifolia Broader terms lettuce Parts Lactuca Part of lettuce WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
