noun
[ sing. ] ( BrE , informal ) a rest while sitting in a chair :
I need a cup of tea and a sit-down.
► ˈsit-down adjective [ only before noun ]:
a sit-down protest (= in which people sit down to block a road or the entrance to a building until people listen to their demands)
a sit-down meal for 50 wedding guests (= served to people sitting at tables)