Greengairs is a village in North Lanarkshire, Scotland. Greengairs is shown on a map by Roy c.1754 under the name of Green Geirs. In toponymy the name means "green strips of grass". Lying 3 miles southeast of Cumbernauld and 3 miles north east of Airdrie, the village consists mainly of local authority housing. Between them Greengairs and Watt…Greengairs is a village in North Lanarkshire, Scotland. Greengairs is shown on a map by Roy c.1754 under the name of Green Geirs. In toponymy the name means "green strips of grass". Lying 3 miles southeast of Cumbernauld and 3 miles north east of Airdrie, the village consists mainly of local authority housing. Between them Greengairs and Wattston have about 1,190 residents.