n., pl., halibut, or -buts.
Any of several large edible flatfishes of the genus Hippoglossus and related genera, of northern Atlantic or Pacific waters.
[Middle English : hali, holi, holy (from its being eaten on holy days); see holy + butte, flatfish (from Middle Dutch).]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.