Rosette... Oh you mean "the Monkey Face"?!
Some guys I worked with way back called them that, and it stuck. I dont think they are made any longer...

Look kinda like a weather-head for 1/2" EMT, or BX, but straight out instead of down?
[Linked Image]
I Googled it, and found it on an older thread here at ECN: (Go figure...) https://www.electrical-contractor.net/ubb/Forum4/HTML/000122.html

Mark Heller
"Well - I oughta....." -Jackie Gleason