banns

English Wikipedia has an article on:

Banns of marriage

Wikipedia

Alteration of bans.

• IPA^(key): /bænz/
• Rhymes: -ænz
• Homophone: bans

banns pl (plural only)

1. The announcement of a forthcoming marriage (legally required for a church wedding in England and Wales and read on the three Sundays preceding the marriage).
   • 1766, George Colman, David Garrick, The Clandestine Marriage, a Comedy. […], London: […] T. Becket and P. A. De Hondt, […]; R[oberts] Baldwin, […]; R. Davis, […]; and T[homas] Davies, […], →OCLC, Act II, scene ii, page 32:

     VVhy the banns have been publiſhed, and nobody has forbidden them, 'tis true—but you know either of the parties may change their minds even after they enter the church.

2. Historically, any public announcement of a coming event.
   • The Banes which are reade beefore the beginninge of the playes of Chester, 4 June, 1600.

• banns of marriage

banns

1. indefinite genitive singular of bann