What is this style of dress called?

[BigPawsBrown]

I have had some luck by searching for kimono dresses but really what I like is the sort of big arm holes, whereas kimono dresses bring up elaborate massive sleeves and "obi" wraps. I just want a dress like the attached, which is sort of like a triangle shape? But I can't find one because I don't know what to search for!

Batwing sleeve

Hmm typing batwing dress into asks has brought up only four results, one of which was this terrifying dress

Do you know if you walk into h&m at the moment, most of their work tops would have these big arm holes? I sound mad, but they're not bat wings, they're just a slightly different cut of normal sleeves...

Bump...

Try fluted/flutter sleeves

Bump

Tent dress?

I had something like that years ago from mango. Isn't it just a belted tunic dress?

I thought 'tunic dress' before I read honey's post.

waterfall sleeve? reiss

I just think Grecian Goddess when I see that style. I have a gorgeous version in bottle green but it's really old and I can't remember where I got it from .

I googled "belted sack dress" and got a few similar things . Not sure if it was matching on the "belt" or the "sack".