Crag = Sport
although trad lines are found, the more common lines followed are sport(TopRope is sport as well), this is what I think of when I here crag...
crag
\Crag\ (kr[a^]g), n. [W. craig; akin to Gael. creag, Corn. karak, Armor. karrek.] 1. A steep, rugged rock; a rough, broken cliff, or point of a rock, on a ledge.
2.The neck or throat [Obs.] (referring to a volcano)