1. 
   Thornback
   USS Thornback was an American Balao Class submarine of 1525 tons displacement launched in 1944. USS Thornback was powered by diesel engines providing a top speed of 21 knots, carried a complement of 75 and was armed with one 4-inch gun, two 20 mm Oerlikon anti-aircraft guns; six 21 inch bow torpedo ...
   Found op http://www.probertencyclopaedia.com/browse/RT.HTM
   
   
2. 
   Thornback
   Thornback was 17th century slang for an old maid; an elderly unmarried woman.
   Found op http://www.probertencyclopaedia.com/browse/ZT.HTM
   
   
3. 
   Thornback
   Thornback was 17th century slang for an old maid; an elderly unmarried woman.
   Found op http://www.probertencyclopaedia.com/browse/ZT.HTM
   
   
4. 
   Thornback
   Thorn'back` noun 1. (Zoology) A European skate ( Raia clavata ) having thornlike spines on its back. 2. (Zoology) The large European spider crab or king crab ( Maia squinado ).
   Found op http://www.encyclo.co.uk/webster/T/47
   
   
5. 
   thornback
   1. <zoology> A European skate (Raia clavata) having thornlike spines on its back. ... 2. <zoology> The large European spider crab or king crab (Maia squinado). ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?thornback
   
   
6. 
   Thornback
   • (n.) A European skate (Raia clavata) having thornlike spines on its back. • (n.) The large European spider crab or king crab (Maia squinado).
   Found op http://thinkexist.com/dictionary/meaning/thornback/
   
   

Tip: double click on a word to show its meaning.