English: circus operator
Welsh: gweithredwr syrcas
Subject: Twristiaeth a hamdden
Welsh definition: The owner of the circus,or any person, other than the owner, with overall responsibility for the operation of the circus, or the person in the United Kingdom who is ultimately responsible for the operation of the circus.
Plural: gweithredwyr syrcas
Notes: Yng nghyd-destun Bil Anifeiliaid Gwyllt mewn Syrcasau Teithiol (Cymru)