The Collaborative International Dictionary of English v.0.48:

Jocund \Joc"und\, [L. jocundus, jucundus, orig., helpful, fr.
   juvare to help. See Aid.]
   Merry; cheerful; gay; airy; lively; sportive.
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         Night's candles are burnt out, and jocund day
         Stands tiptoe on the misty mountain tops. --Shak.
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         Rural sports and jocund strains.         --Prior.
   -- Joc"und*ly, adv. -- Joc"und*ness, n.
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