noun
a married woman serving as the attendant to the bride at a wedding
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(US) (or Brit matron of honour) noun, pl matrons of honor [count]
: a married woman who is the main bridesmaid at a wedding
Her cousin was her matron of honor.
— compare ↑maid of honor
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a married woman who is the most important ↑bridesmaid at a wedding
Useful english dictionary. 2012.