A surname.

five

plural of Penta

Any of the flowering plants of the genus Pentas, especially the Egyptian starcluster, Pentas lanceolata.

(inorganic chemistry) An allotrope of carbon similar to graphene, but with a pentagonal (rather than a hexagonal) tiling pattern

(geometry) A polygon with five sides and five angles. / A fort with five bastions.

The shape of a five-pointed star constructed of five intersecting lines meeting at the vertices, such that a central pentagon and five surrounding isosceles triangles are formed; often with magical connotations; a 5/2 (or 5/3) star polygon.

(poetry) A line in a poem having five metrical feet. / (poetry) Poetic metre in which each line has five feet.

The Torah: the first five books of the Bible: Genesis, Exodus, Leviticus, Numbers, and Deuteronomy.

The headquarters of the United States Department of Defense. / (metonymically) The United States Department of Defense.