n. 掷镖的圆靶

[ noun ]
a circular board of wood or cork used as the target in the game of darts
<noun.artifact>

dartboard \dartboard\, dart board \dart board\n.
a circular board of wood or cork used as the target in the
game of darts. It may have any of several patterns on it,
such as concentric circles, or a central circle with rays.
[WordNet 1.5 +PJC]