1. (

• constriction ,
• bottleneck ,
• chokepoint

) a narrowing that reduces the flow through a channel ;

2. (

• bottleneck

) the narrow part of a bottle near the top ;

1. (

• bottleneck

) slow down or impede by creating an obstruction; "His laziness has bottlenecked our efforts to reform the system" ;

2. (

• bottleneck

) become narrow, like a bottleneck; "Right by the bridge, the road bottlenecks" ;