that the trigger guard is on the bottom side of a rifle while the trigger is on top?
http://www.youtube.com/watch?v=S1gSAdsfv7Q
http://www.youtube.com/watch?v=S1gSAdsfv7Q
4. (in a firearm)
a. the part of the lock that, by its fall or action, causes the discharge; hammer.
b. the position into which the cock, or hammer, is brought by being drawn partly or completely back, preparatory to firing.
–verb (used with object)
12. to pull back and set the cock, or hammer, of (a firearm) preparatory to firing.
–verb (used without object)
15. to cock the firing mechanism of a firearm.
http://dictionary.reference.com/browse/cock