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Webster 1913 Edition

Noun.

One who laughs.

A variety of the domestic pigeon.

Noun.

l'affer. One who laughs, or is fond of merriment.

The laughers are a majority.

laugher ‎(plural laughers)

One who laughs.
- 1992, Jib Fowles, Why Viewers Watch: A Reappraisal of Television's Effects (page 119)
  These are the people whose laughter you hear after the boffolas on shows that have been filmed without audiences. I don't suppose all these laughers are dead, but a lot of them must be by this time.
A variety of the domestic pigeon.