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

pika \pi"ka\, n. zool.
   any one of several species of tailless rodents of the genus
   ochotona formerly lagomys, resembling small rabbits,
   but with short ears alnd legs. they inhabit the high
   mountains of asia and america. called also calling hare,
   and crying hare and rock rabbit. see chief hare.
   1913 webster +pjc
see also:
ochotona lagomys calling hare crying hare rock rabbit chief hare 

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

chief hare \chief" hare`\ zool.
   a small rodent lagamys princeps inhabiting the summits of
   the rocky mountains; -- also called crying hare, calling
   hare, cony, american pika, and little chief hare.
   1913 webster

   note: it is not a true hare or rabbit, but belongs to the
         curious family lagomyidae.
         1913 webster
see also:
lagamys princeps crying hare calling hare cony american pika little chief hare 
lagomyidae 

Calling >> C Words
Calling, definition of term: Calling
calling_pag1.html

Hare >> H Words
Hare, definition of term: Hare
hare_pag1.html

Calling Card >> C Words
Calling Card, definition of term: Calling Card
calling+card_pag1.html

Name Calling >> N Words
Name Calling, definition of term: Name Calling
name+calling_pag1.html

Arctic Hare >> A Words
Arctic Hare, definition of term: Arctic Hare
arctic+hare_pag1.html

Chief Hare >> C Words
Chief Hare, definition of term: Chief Hare
chief+hare_pag1.html