All 7 Uses

convention
in
Lone Survivor
(Auto-generated)

Never mind there's no shooting across the border in Pakistan, the illegality of the Taliban army, the Geneva Convention, yada, yada, yada.
Chpt 6.

convention = an international agreement
Or, as it states in the pages of the Geneva Convention, unarmed civilians.
Chpt 7.
By the way, if anyone should dare to utter the words Geneva Convention while I'm writing this, I might more or less lose control.
Chpt 12. *
And no amount of poison about our alleged brutality, disregard of the Geneva Convention, and abuse of the human rights of terrorists is going to change what most people think.
Chpt 12.
This is a high-altitude, fifteen-thousand-pound conventional bomb that needs to be delivered from the huge MC-130 aircraft because it is far too heavy for the bomb racks on any other attack aircraft.†
Chpt 2.
The BLU-82B is the largest conventional bomb ever built and, of course, leaves no nuclear fallout.†
Chpt 2. *
Its conventional explosive technique incorporates both agent and oxidizer.†
Chpt 2.

Definitions:

(1) (convention as in: teacher's convention)
a large conference or meeting
(2) (convention as in: conventional behavior)
something regarded as normal or typical
(3) (convention as in: The Geneva Convention)
a written international agreement
(4) (meaning too rare to warrant focus)