rock lobster

from The Century Dictionary.

• noun See lobster, 2, and cut under Palinurus.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun a crustacean of the family Palinuridae

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun warm-water lobsters without claws; those from Australia and South Africa usually marketed as frozen tails; caught also in Florida and California
• noun large edible marine crustacean having a spiny carapace but lacking the large pincers of true lobsters