Wiktionary
omata
n. (context sumo English) a kimarite in which the attacker grabs his opponent's leg from the inside and lifts it up and backwards, driving his body into that of the defender, forcing him over onto his back
Wikipedia
Omata
Omata is a locality in Taranaki, in the western North Island of New Zealand. It is located on State Highway 45 just southwest of New Plymouth.
The population was 474 in the 2006 Census, an increase of 27 from 2001.
The area was the site of the Omata Stockade, built to house soldiers during tensions at the time of the First Taranaki War in 1860–61, and is near the site of the Battle of Waireka on 28 March 1860.
Omata (New Zealand electorate)
Omata was a Taranaki electorate in the New Zealand Parliament from 1853 to 1870. It was based on the township of Omata.