Poison sumac, Toxicodendron vernix, is related to the poison ivies and poison oaks, not to the other sumacs. It is relatively rare, compared to the other members of the family.
Definition of taproom in US English - a room in which alcoholic drinks, especially beer, are available on tap; a bar in a hotel or inn. Definition of taproom in US English - a room in which alcoholic drinks, especially beer, are available on tap; a bar in a hotel or inn.
In North American English the word bathroom may be used to mean any room containing a toilet, even a public toilet (although in the United States this is more commonly called a restroom and in Canada a washroom).