An amazon skill
from Diablo 2
. Fires multiple arrows.
It becomes availabe at level 6, but is yet by most players considered the best skill for bow-amazons (aka bowazons) in PvM. The only skill even close to being as powerful is strafe, and since strafe range was seriously nerfed in patch 1.04, multishot now kicks even more ass. With multishot you can hit about 10 enemies with one shot, quickly refilling you Life/Mana orb. Prerequites are Magic Arrow.
See also multishot versus strafe.