bottlenecks

Noun

• a narrowing that reduces the flow through a channel
• the narrow part of a bottle near the top
• plural of bottleneck

Verb

• slow down or impede by creating an obstruction
• become narrow, like a bottleneck
  • "Right by the bridge, the road bottlenecks"
• third-person singular simple present indicative of bottleneck

Synonyms

bottleneck, chokepoint, constriction