[1] : The Collaborative International Dictionary of English v.0.48

jaguar \jaguar"\, n. braz. yago'ara: cf.  pg. jaguar.
   zool.
   a large and powerful feline animal panthera onca, formerly
   felis onca, ranging from texas and mexico to patagonia. it
   is usually brownish yellow, with large, dark, somewhat
   angular rings, each generally inclosing one or two dark
   spots. it is chiefly arboreal in its habits. it is also
   called the panther and the american tiger.
   1913 webster +pjc
see also:
panthera onca felis onca panther american tiger 

[2] : WordNet (r) 2.0

panthera onca
     n : a large spotted feline of tropical america similar to the
         leopard; in some classifications considered a member of
         the genus felis syn: jaguar, panther, felis onca
see also:
jaguar panther felis onca 

Panthera Onca >> P Words
Panthera Onca, definition of term: Panthera Onca
panthera+onca_pag1.html

Panthera >> P Words
Panthera, definition of term: Panthera
panthera_pag1.html

Panthera Leo >> P Words
Panthera Leo, definition of term: Panthera Leo
panthera+leo_pag1.html

Felis Onca >> F Words
Felis Onca, definition of term: Felis Onca
felis+onca_pag1.html