As a Verb or Adjective: 1. To boil food until it is partially cooked. English = parboil. Note: 1. The signer in the video is giving an Auslan explanation of the English keyword PARBOIL. There appears to be no commonly used Auslan sign for PARBOIL (but some signers represent this visually using depicting signs, once they have established the topic). If you know a sign for PARBOIL used by you or other Auslan users (deaf people or interpreters) please go to "Report missing sign" and supply details. Thank you.