a piece of old worn cloth
(in pl) clothes that are in poor or ragged condition
something resembling a rag, e.g. an esp a scrap or unevenly shaped fragment of something
a rag of cloud
informal a newspaper, esp one that is sensational or poorly written
lose one's rag
informal to lose one's temper
on the rag
chiefly NAmer, informal menstruating
[Old English ragg from Old Norse rögg tuft, shagginess]