Town crier's word

• Bailiff's cry
• Courtroom attention-getter
• Court crier's cry
• Attention-getter, in some rooms
• Command from a bailiff
• Bailiff's word
• Hearing command

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Oyez \O"yez`\ ([=o]"y[e^]s`; 277), interj. [Anglo-F. oyez hear ye. See Oyer .] Hear; attend; -- a term used by criers of courts to secure silence before making a proclamation. It is repeated three times. [Written also oyes .]

Wikipedia Word definitions in Wikipedia
Oyez (, , , more rarely with the word stress at the beginning) is a traditional interjection said two or three times in succession to introduce the opening of a court of law , especially in Great Britain. The interjection is also traditionally used by town ...