لحن

1 لَحَنَ ذ He erred in speech; spoke incorrectly. (Msb.) ― -b2- لَحَنَ لَهُ He said to him something which he ( the latter ) understood, but which was unintelligible to others: (Az, S, Msb, K:) he intimated to him something which he ( the latter ) alone understood.