n. [ Anglo F., a hearing, from OF. oïr, F. ouïr, to hear, L. audire. See Audible. ] (Law) A hearing or an inspection, as of a deed, bond, etc., as when a defendant in court prays oyer of a writing. Blackstone. [ 1913 Webster ]

Oyer and terminer (Law), a term used in England in commissions directed to judges of assize about to hold court, directing them to hear and determine cases brought before them. In the U.S. the phrase is used to designate certain criminal courts. [ 1913 Webster ]

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. ] [ 1913 Webster ]