Form 1كَتَمَ2 senses · 1 main
Core sense — he concealed a secret, he suppressed itgenerated
He concealed, or suppressed, a secret. Doubly transitive.
[and كِتْمَانٌ].
For كَتَمَ الرَّبْوَ, see a verse cited in the last paragraph of art. عور.
And cover not Truth with falsehood, nor conceal the Truth when ye know (what it is).
"It is He Who knows what is open in speech and what ye hide (in your hearts).
Occurrences of this form in the Qur’ān, not Lane’s choice of verse. They show the word in use; they do not say which sense above applies. Where more occur than are shown, the shortest āyāt are chosen.