
1) Red wine grape variety 
Found on 
https://www.crosswordclues.com/clue/domina
 [grape]
[grape]  Domina is a dark-skinned variety of grape used for red wine. It was created by German viticulturalist Peter Morio at the Geilweilerhof Institute for Grape Breeding in the Palatinate in 1927 by crossing the varieties Blauer Portugieser and Pinot noir (known in Germany as Spätburgunder). Work on the variety was the continued by Bernh...
Found on 
http://en.wikipedia.org/wiki/Domina_(grape)

• (n.) Lady; a lady; -- a title formerly given to noble ladies who held a barony in their own right.
Found on 
http://thinkexist.com/dictionary/meaning/domina/
 Dom'i·na  noun
Dom'i·na  noun [ Latin , lady. See 
 Dame .] 
 (O. Eng. Law) Lady; a lady; -- a title formerly given to noble ladies who held a barony in their own right. 
 Burrill. Found on 
http://www.encyclo.co.uk/webster/D/109
  No exact match found.