[ oh-ver-uhn-der ]
/ ˈoʊ vərˈʌn dər /
(of double-barreled firearms) with one barrel mounted over the other.
such a firearm.
Words nearby over-under
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for over-under
/ US /
(of a two-barrelled firearm) having one barrel on top of the other
an over-under firearm
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012