Yea, we call them a cirque in English; or sometimes a corrie or a coomb.
The word cirque apparently is Latin and translates directly into English as circus, hence your confusion.
But, as others pointed out, the word circus has a completely different meaning in English.
Things are grand here in Martyland, thank you very much for asking.
Mind you, the internet is really laggy this past while.
Think I may just turn the modem off and do a bit of writing before heading to bed....