Definition of "cullis" [cul•lis]

• A gutter or groove in a roof. (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.

• "I care not, though, like Anacharsis, I were pounded to death in a mortar: and yet that death were fitter for usurers, gold and themselves to be beaten together, to make a most cordial cullis for the devil."
• "At length, they came to a metal gate, not unlike the port - cullis in a castle."
• "The word “cullis” is typical of the way the French language was dealt with by seventeenth- and eighteenth-century English speakers."