I was just thinking of Yorkshire pudding and I realised it's one of those instances where I love a term and the thing it describes just as much.
7I Turkish delight
I'm sure there are more, but I can't think of them.
Here's a case where I like the thing the word describes, but not the word itself: poetry. I think poetry is a very unpoetic word.
I've noticed that many diseases and medical conditions have beautiful names, even though the things themselves are not so nice: rubella, scarlatina, tinnitus, tonsilitis, whooping cough, gonorrhea, sciatica, meningitis. How lovely!