IPA: /dɪˈklɛrər/
KK: /dɪˈklɛrər/
A person who makes a declaration, especially in a game like bridge where they choose the trump suit.
In the game of bridge, the declarer plays both their hand and the dummy's hand after winning the bid.
Declarer → It is formed from "declarare" (from Latin, meaning to make clear or to declare) and "-er" (meaning a person who). The word "declarer" refers to a person who makes something clear or declares it.
Think of someone who is making something clear or stating it openly — that's what a declarer does.