vacuum cleaner 5 n-count A cleaner or a cleaner's is a shop where things such as clothes are dry-cleaned. oft the N dry cleaner ( dry cleaners plural ) A dry cleaner or a dry cleaner's is a shop where things can be dry-cleaned. n-count pipe cleaner ( pipe cleaners plural ) A pipe cleaner is a piece of wire covered with a soft substance which is used to clean a tobacco pipe. n-count vacuum cleaner