usher
She said she would be delighted to be my matron of honour.
I'm upset that my sister didn't ask me to be her matron of honour.
The Matron of Honour was Liz Taylor and the bridesmaids included Mia Farrow and Petula Clark.

SMART Vocabulary: related words and phrases

Weddings
altar
always a bridesmaid, never the brideidiom
arranged marriage
attendant
bachelor party
diamond anniversary
dower
dowry
elope
elopement
officiant
plight
pop the questionidiom
postnuptial
prenuptial
wedding bells
wedding breakfast
wedding dress
wedding gown
wedding night