13-Letter Words Containing: R,U,D,E,R,A,L

• a four-sided polygon

• having four sides

• the property of being extremely durable

• intersecting at or forming right angles

• at right angles to the plane of the horizon or a base line

• a straight line at right angles to another line

• a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting

• a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point

• an extremely steep face

• so steep as to be nearly vertical

• a visitor of a city boulevard (especially in Paris)