The name Laura is a Swedish baby name. In Swedish the meaning of the name Laura is: Laurel. English Meaning: The name Laura is an English baby name. In English the meaning of the name Laura is: The laurel tree or sweet bay tree symbolic of honor and victory. Old name with many variants.
A polygon with seven sides is called a heptagon. A polygon is a closed geometric shape that has at least three sides and angles.
Example: a 62-sided polygon is a Hexacontadigon. BUT, for polygons with 13 or more sides, it is OK (and easier) to write  13-gon ,  14-gon  ...