1. a person who makes a humble or earnest request; one who supplicates
The supplicant knelt before the king to ask for mercy.
O suplicante ajoelhou-se diante do rei para pedir misericórdia.
2. in computing, a device or software that requests authentication or access to a network
The supplicant sends authentication credentials to the authenticator.
O suplicante envia credenciais de autenticação para o autenticador.