It was considered dÃ©classÃ© to refer to one's own townhouses, estates or villas (or those of friends) as mansions and modern etiquette books still advise that the terms house, big house or great house be used instead.
Waste weir. A waste weir on a navigable canal is a slatted gate on each canal level or pound, to remove excess water and to drain the canal for repairs or for the winter shutdown.
A root canal is a dental treatment that repairs a severely damaged, decayed, inflamed and/or infected tooth. A general dentist may perform the procedure or you may be referred to a root canal specialist, called an endodontist. Root canal therapy can effectively save a tooth from extraction, but it can be a costly remedy.