noun.
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noun.
A narrow or obstructed section, as of a highway or a pipeline.
noun.
A point or an area of traffic congestion.
noun.
A hindrance to progress or production.
noun.
The narrow part of a bottle near the top.
noun.
A style of guitar playing in which an object, such as a piece of glass or metal, is passed across the strings to achieve a gliding sound.
noun.
An abrupt and severe reduction in the number of individuals during the history of a species of a population, often resulting in the loss of diversity from the gene pool.
transitive verb.
To slow down or impede by creating an obstruction.