double-barreled

[ duhb-uh l-bar-uh ld ]

/ ˈdʌb əlˈbær əld /

having two barrels mounted side by side, as a shotgun.

serving a double purpose or having two parts or aspects: a double-barreled attack on corruption.

Origin of double-barreled

First recorded in 1700–10

Then Sunday on Fox News we saw a double-barreled assault on the hashtag activism by conservatives.

Go Away, Coulter and Limbaugh; Hashtagging Is Better Than Snarking |Dean Obeidallah |May 14, 2014 |DAILY BEAST
On the eve of the double-barreled canonization, the skies over Rome boomed with thunder and poured with rain.

Onscene as Pope Francis Makes Saints of John Paul II and John XXIII |Barbie Latza Nadeau |April 27, 2014 |DAILY BEAST
It was double-barreled, and a shotgun, but now both barrels were loaded with round ball.

Bobby of the Labrador |Dillon Wallace
Cameron took his double-barreled shot gun, meaning to pick up some prairie chicken while he was out looking over his men's work.

Bulldog Carney |W. A. Fraser

I rode up to Kleinboy for my double-barreled two-grooved rifle: he and Isaac were pale and almost speechless with fright.

Thrilling Adventures by Land and Sea |James O. Brayman
"You'll not get the chance," returned Phil, who had armed himself with one of the double-barreled shotguns.

Dave Porter At Bear Camp |Edward Stratemeyer
He carried a double-barreled smooth-bore, while I boasted a rifle of some fifteen pounds' weight.

The Oregon Trail |Francis Parkman, Jr.