ثَرْبٌ
1.
A thin integument of fat that covers the stomach of a ruminant and the bowels or intestines; (Lth, T, S, M, Msb, K;) the fat that is spread over the bowels, or intestines: (T:) plural (of mult., TA) ثُرُوبٌ (M, K) and (of pauc., TA) أَثْرُبٌ, and plural plural أَثَارِبُ. (K.) Hence, صَارَتِ
الشَّمْسُ كَالْأَثَارِبِ
The sun [upon the ground] became like the integuments above-mentioned: i. e., scattered; being upon one place and not upon another, towards sunset: a phrase occurring in a tradition, in which it is said that when this is the case, it is forbidden to perform the afternoonprayer: and in another tradition occurs the phrase, صَارَتِ الشَّمْسُ كَثَرْبِ النَّاقَةِ [The sun upon the ground became like the
ثرب
of the she-camel]. (TA.)
2.
And [hence,] (assumed tropical:) A land of which the stones are such as those of the
حَرَّة [q. v.], save that they are white. (L.)