Knuckle -- (nuh' kuhl)

| TRAIL TERM |

Refers to a small stump or root (about the size of a knuckle) that is sticking straight up out of the ground. Typically hard to see especially in shaded areas or at night.

Sentence Use: Knuckle! (Point down to the ground where the offending stump is located to warn runners behind you.)

Shoot Your Beam -- (shuo't yer beem)

| TRAIL TERM |

Another way to say, "Turn on your headlamp." Typically reserved for night time trail running. (Originator: Karen U.)

Sentence Use: I'm going to shoot my beam because it's getting dark!