Quiet type based for a long time in Lincoln? (9)

I believe the answer is:

president

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'lincoln?' is the definition.
(lincoln is a kind of President)

I don't understand the remainder of the clue.

(Other definitions for president that I've seen before include "club official" , "Republic's head" , "top man" , "2's official title" , "such as Bush" .)

I've seen this clue in The Times and The Sunday Times.

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