line dancing 
noun [mass noun]
A type of country and western dancing in which dancers line up in a row without partners and follow a choreographed pattern of steps to music.They can expect to see music from local bands as well as Irish dancing, line dancing and step dancing as part of the celebrations....
- Choose from tango, tea dancing, line dancing or bhangra to take part in this challenge.
- Groups such as karate, Weight Watchers, line dancing, toddler group, ballroom dancing and tea dancing use the hall every week.
Derivatives
line dance
- They taught him the Madison, the line dance that originated in Baltimore and then swept the country.
- In one longish sequence, a dance leader shouts out instructions at a bar, as patrons (mostly women) follow dutifully, performing a line dance that could also be an aerobics routine.
- The world's leaders join each other for coffee and a line dance for the crowd of photographers, and then proceed to a most undignified rush from room to room for ‘bilateral talks’.
line-dance
- Whether it's a game of squash, a brisk workout at the gym or line-dancing at the village hall probably makes no odds.
line dancer
- Samantha was a champion modern line dancer and a leading member of the Pembrokeshire Dance School.
- The crowd which gathered on the Green were entertained by local group Dancing Devils followed by The Silver Spurs line dancers.
- About 70 line dancers took part in a 12-hour marathon in Marlborough on Saturday to raise funds for the new Swindon Hospital.