caulerpacaulerpa means any seaweed of the genus Caulerpa. Lexicurio rates it Sui generis — a strength score of 88 out of 100.EtymologyBorrowed from translingual Caulerpa, from Ancient Greek καυλός (kaulós, “stem, stalk”) + Ancient Greek ἕρπω (hérpō, “to creep, to crawl”).nounAny seaweed of the genus Caulerpa.