Wikipedia:

Khalkha | Halh

Summary:

a subgroup of the Mongols. The Khalkha Mongolians, together with Chahar; Ordos Mongols; and Tumed, were directly ruled by the Chingisid Khans until the 20th century; unlike the Oirats who were ruled by the Dzungar nobles or the Khorchins who were ...  (41 of 2390 words, 4 images)

Link:

http://en.wikipedia.org/wiki/Khalkha  [cite]

Britannica:

Khalkha

Summary:

largest group of the Mongol peoples, constituting more than 80 percent of the population of Mongolia. The Khalkha dialect is the official language of ...  (24 of 102 words)

Link:

http://www.britannica.com/EBchecked/topic/316166/Khalkha  [cite]

Merriam-Webster:

Khalkha

Summary:

a member of a Mongol people of Outer Mongolia | the language of the Khalkha people used as the official language of the country of Mongolia  (25 of 38 words, 2 senses, pronunciation)

Link:

http://www.merriam-webster.com/dictionary/khalkha  [cite]

Random House:

Khalkha

Summary:

a Mongolian language that is the official language of the Mongolian People's Republic and the chief vernacular of the eastern half of the country.  (24 of 29 words, pronunciation)

Link:

http://dictionary.infoplease.com/khalkha  [cite]

Wiktionary:

Mongol | Mongols [plural]

Summary:

A person from Mongolia; a Mongolian. | A member of any of the various Mongol ethnic groups living in The Mongolian People's Republic, the (former) USSR, Tibet and Nepal. | [offensive, usually mongol] A person with Down's syndrome. | A member of the ...  (40 of 168 words, 4 senses, 1 etymology, pronunciation)

Link:

http://en.wiktionary.org/wiki/Mongol  [cite]

Encarta:

Mongol | Mongols [plural]

Summary:

a member of the originally nomadic peoples who inhabit Mongolia and established an empire in the 13th century | Same as Mongolian (sense 2) | relating ...  (24 of 54 words, 3 senses, 1 etymology)

Link:

http://encarta.msn.com/dictionary 1861630930/definition.html  [cite]