Any of various squidlike cephalopod marine mollusks of the genus Sepia that have ten arms and a calcareous internal shell and eject a dark inky fluid when in danger.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "cuttlefish" in a sentence
"They even have grilled cuttlefish, which is pretty good."
"One of the most amazing aspects of the cuttlefish is their skin."
"Every meal they served us banquet style was pristine, filled with the day's freshest catch, including plenty of squid (also known as cuttlefish in these parts), as they were in season."