As a Noun: 1. Cake decoration made with lines of icing. English = piping. As a Verb or Adjective: 1. Force paste (usually icing, dough, puree) onto a surface by squeezing the paste from a bag fitted with a nozzle. English = pipe. Note: 1. A depiction of a triangular-shaped object and the Auslan sign SQUEEZE. 2. There appears to be no commonly used Auslan sign for PIPE or PIPING (but some signers represent this visually using these depicting signs, once they have established the topic). If you know a sign for PIPE or PIPING used by you or other Auslan users (deaf people or interpreters) please go to "Report missing sign" and supply details. Thank you.