Originally Posted by RevSmoke

Here they are as I have always thought of them.

Pyramid - Tapers continually from head to foot, the foot may be very wide.

Torpedo - Tapers from head to main body of cigar, but is a gradual taper and then parallels.

Belicoso - Tapers from head to main body, but does so very quickly, not quite a rounded head, but very close, and then it parallels.

Perfecto - Tapers at both head and foot. The taper at the foot may be gradual or sharp.