That chimes with my experience in the UK. I personally call ( ) "round brackets" to try and be a bit more explicit about which kind of bracket I mean, but I do

That chimes with my experience in the UK. I personally call ( ) "round brackets" to try and be a bit more explicit about which kind of bracket I mean, but I don't think that's a very common turn of phrase. Similarly I've picked up calling { } "brace brackets" from programming.