مَشْحَذَةٌ

[A cause, or means, of sharpening: a word of the class of مَجْبَنَةٌ &c.]. One says, هٰذَا كَلَامٌ مَشْحَذَةٌ لِلْفَهْمِ (tropical:) [This is discourse that is a cause, or means, of sharpening of the understanding]. (A.)