The carbine was originally a lighter, shortened weapon developed for the cavalry.
From the en.wikipedia.org
In 1945 the Red Army adopted the Siminov SKS, a semi-automatic 7.62x39mm carbine.
From the en.wikipedia.org
Harris was armed with a Hi-Point 995 carbine with 13 magazines of 10 rounds each.
From the sacbee.com
The vest can withstand an AK-47 or a 7.62mm carbine shot at point blank range.
From the en.wikipedia.org
In 1944, he designed a gas-operated carbine for the new 7.62x39 mm cartridge.
From the en.wikipedia.org
The unit sergeant places a carbine to her forehead and casually murders her.
From the nytimes.com
Sitting on the floor and poking his M-4 carbine out the back, he was hidden.
From the newsobserver.com
She handles her 4.5 pound 9mm carbine just fine and without physical pain.
From the economist.com
Carbine of a Swiss Dragoon, with the strap system allowing a quick draw while mounted.
From the en.wikipedia.org
More examples
Light automatic rifle
A carbine (/u02C8ku0251u02D0rbiu02D0n/ or /u02C8ku0251u02D0rbau026An/), from French carabine, is a long arm firearm but with a shorter barrel than a rifle or musket. Many carbines are shortened versions of full-length rifles, shooting the same ammunition, while others fire lower-powered ammunition, including those designed for pistols.
Carbine (1885-1914), was an outstanding New Zealand Thoroughbred racehorse, who competed in New Zealand and later Australia. ...
A smaller lighter version of an existing rifle with a shortened barrel
A rifle with a relatively short barrel. Any rifle or carbine with a barrel less than 16" long must be registered with the Bureau of Alcohol, Tobacco and Firearms. Shotguns with barrels less than 18" long fall into the same category.
A breech-loading, single-shot, rifle-barreled gun primarily used by cavalry troops. A carbine's barrel is several inches shorter than a regular rifle-musket.
A short firearm carried by cavalry, usually of wheel-lock or flintlock pattern.
A shortened version of a long barreled rifle. Carbines are under 16inchs in length and are not usually as ballistically accurate as the long guns they are derived from.
Although this term is somewhat vague, it has come to mean a rifle with a relatively short barrel length and thus lighter in weight. The generally accept dividing point is 18 inches. Barrels 18 inches or shorter are considered carbines; longer barrels are called rifles.