- (of double-barreled firearms) with one barrel mounted over the other.
- such a firearm.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for over-under
It is really matter of serendipity that Michael Vick has changed, and the over-under on bamboozlement is still 50 percent.Time to Forgive Michael Vick
December 23, 2010
- (of a two-barrelled firearm) having one barrel on top of the other
- an over-under firearm