Source : Webster's Revised Unabridged Dictionary (1913)

Calcavella \Cal`ca*vel"la\, n.
   A sweet wine from Portugal; -- so called from the district of
   Carcavelhos. [Written also {Calcavellos} or {Carcavelhos}.]

Carcavelhos \Car`ca*vel"hos\, n.
   A sweet wine. See {Calcavella}.