مُسْتَخْفٍ
1.
Hiding, or concealing, himself: and according to Akh, appearing: in both of which senses it is said to be used in the words of the Qur'an, 13:11, مُسْتَخْفٍ بِاللَّيْلِ وَسَارِبٌ بِالنَّهَارِ [Hiding himself by night, and appearing by day: or appearing by night, and hiding himself by day: see article سرب]. (TA.)
2.
اليَدُ المُسْتَخْفِيَةُ
The hand of the thief, and of the rifler of graves: opposed to اليَدُ المُسْتَعْلِيَةُ, which is the hand of him who takes by force, and of the plunderer, and the like: the Sunneh ordains that the former shall be cut off [except in certain cases], but not the latter. (TA.)