The section of a sock located on the toe and heel (and occasionally the ankle) which is coloured differently to the body of the sock. The primary prantaton is at the toe, the secondary prantaton at the heel of a sock. The tertiary prantaton may form a ring around the top of the sock.

Anatidaephobia is defined as a pervasive, irrational fear that one is being watched by a duck. The anatidaephobic individual fears that no matter where they are or what they are doing, a duck watches.

Anatidaephobia is derived from the Greek word "anatidae", meaning ducks, geese or swans and "phobos" meaning fear.