From Longman Dictionary of Contemporary Englishtowel railˈtowel rail (also towel rack American English) noun [countable] DHa bar or frame on which towels can be hung, especially in a bathroom
Examples from the Corpus
towel rail• The alternative to this is a separate, electrically heated towel rail.• If you have a small bathroom, why not consider a radiator with a built-in towel rail?• Kicking off his muddy wellingtons, he walked across to the towel rail on the far side of the old-fashioned kitchen. 