#2: Made popular by The Montecristo #2, this is a smaller torpedo shape.
A: This old Cuban size is 9 inches long with a 48 ring gauge.
Churchill: Traditionally, the Churchill is held to be a larger cigar made popular by Winston Churchill. Normally it is 7 1/2 inches long with a 50 ring gauge.
Cigarillo: A small cigar around the size of a cigarette.
Corona: Traditionally this cigar is 6 inches with a 44 ring gauge.
Culebra: Three cigars of any size braided together form this shape. Yes you pull them apart before smoking!
Double Corona: A larger, but not quite double, corona cigar that is 7 inches long with a 50 or more ring gauge.
Esplendido: Made popular by the Cohiba, this size is about 7 1/2 inches with a 50 ring gauge.
Figurado: Any shaped cigar such as a torpedo or perfecto.
Giant or Gigante: A huge cigar 8 or more inches long with a 52 (or more) ring gauge.
Longsdale: A longer thinner cigar that is 6 inches by 42 ring gauge.
Panatela: A long thin cigar that is 6 1/2 inches by 28 ring gauge.
Perfecto: A classic shape that has a 48 ring in the middle and tapers on both ends.
Presidente: A larger cigar that is 8 1/2 inches long and a 52 ring gauge.
Pyramid: A cigar with a larger ring gauge end that uniformly tapers to a small ring gauge end.
Robusto: A short fat cigar about 5 inches long and with a 50 ring gauge.
Rothschilde: A short version of a robusto, usually 4-4 1/2 inches with a 50 ring gauge.
Torbusto: A new shape that combines the torpedo, toro, and robusto shapes. Made to date only by Altadis.
Toro: A new shape that is 6 inches long with a 50 ring gauge.
Torpedo: The bulk of the barrel is a larger ring (often 50+) that after 3/4 of the cigar tapers to a point.