From merriam-webster.com...
Jihad:
A war fought by Muslims to defend or spread their beliefs
http://www.merriam-webster.com/dictionary/jihad
“Each of the 164 Jihad verses in this list was selected based on how clearly and directly it spoke about Jihad, at least when considered in its immediate context. Most of the listed passages mention a military expedition, fighting, or distributing war spoils. Verses NOT generally listed are those that speak about aspects of Jihad other than the raiding, fighting and looting”
http://www.answering-islam.org/Quran/Themes/jihad_passages.html