The feeding relationships between species in a biotic community. / (idiomatic) A hierarchy.

One who smokes continuously, by lighting one cigarette when they finish another, as in a chain. / One who habitually smokes a lot.

A water pump consisting of a series of buckets on a chain, wheel or drum.

A transmission system in which power is transferred to the wheels by means of a chain.

present participle of drag the chain

To fall behind relative to others. / To unwittingly hold up progress. / To deliberately hold up progress by acting slowly.

plural of chain letter

A letter that can be mailed successively to different recipients, with each recipient ostensibly (but sometimes sarcastically) being instructed in the body of the letter to mail the letter to another person or persons.

Alternative spelling of daisy chain

Alternative spelling of daisy chain