بَاطِنٌ

Unapparent; hidden; concealed; covert: (K, TA:) [and inward; inner; interior; internal; intrinsic; esoteric: in all these senses] opposite of ظَاهِرٌ. (Msb, TA.)

بَاطِنُ أَمْرٍ [The inward, or intrinsic, state or circumstances, of a case or an affair]; (TA, &c.;) [and so أَمْرٍ ↓ بَطْنُ; whence the phrases,] أَفْرَشَنِى ظَهْرَ أَمْرِهِ وَبَطْنَهُ (assumed tropical:) [He displayed, or laid open, to me the outward state or circumstances of his case or affair, and the inward state or circumstances thereof]; and هُوَ مُجَرِّبٌ بَطْنَ الأُمُورِ (assumed tropical:) [He is one who possesses experience of the inward, or intrinsic, state or circumstances of affairs], as though he hit their bellies by his knowledge of their true, or real, states or circumstances. (TA.)

البَاطِنُ [The internal, inward, or intrinsic, state, condition, character, or circumstances, of a man: and the heart, meaning the secret thoughts; the recesses of the mind; the state of mind; the inward, or secret, disposition of the mind: opposed to الظَّاهِرُ.

Also,] an epithet applied to God, meaning He who knows the inward, or intrinsic, states or circumstances of things: (S:) or He who knows the secret and hidden things: or He who is veiled from the eyes and imaginations of created beings. (TA.)

[بَاطِنًا Covertly; secretly.]

See also بَاطِنَةٌ, in eight places.

بِطَانَةٌ also signifies A water-course, or place in which water flows, in rugged ground: plural بُطْنَانٌ (K) and بُطْنٌ. (TA.)