from
The Collaborative International Dictionary of English v.0.48
Confidant \Con`fi*dant"\; 277), n. masc., Confidante
\Con`fi*dante"\ (?; 277), n. fem.[F. confident, confidente,
formerly also spelt confidant, confidante. See {Confide}, and
cf. {Confident}.]
One to whom secrets, especially those relating to affairs of
love, are confided or intrusted; a confidential or bosom
friend.
[1913 Webster]
You love me for no other end
Than to become my confidant and friend;
As such I keep no secret from your sight. --Dryden.
[1913 Webster]