OCTAGON

• ___ Building, landmark on New York's Roosevelt Island

• ___ House (Executive Mansion of 1814)

• 1080-degree figure

• A figure that can stop a truck?

• A regular one's angles are each 135 degrees

• A shape to stop traffic

• Bokhara rug pattern

• Dome of the Rock shape

• Eight-angled figure

• Eight-sided figure

• Eight-sided shape

• Emblem shape on MG cars

• Figure eight?

• Figure seen at an intersection

• Figure that stops traffic?

• Figure that'll make you stop and look?

• It may say STOP

• Shape of some windows

• Shape with 135-degree angles

• Stop sign shape

• Stop sign, e.g.

• Stop sign, for one

• Stop symbol

• STOP's shape

• Street-corner shape

• Traffic sign shape

• Unusual house shape

• An eight-sided polygon