سُرَّةٌ

The navel; i. e. the place from which the navel-string (سُرّ) has been cut off; (S;) the small cavity, or hollow, of the belly, (M, TA,) in the middle thereof; (TA;) what remains of the سِرَر: (M:) [see سُرٌّ:] plural سُرَرٌ [in the CK erroneously سِرَرٌ] and سُرَّاتٌ. (S, K.)

[Hence,] سُرَّةُ الفَرَسِ (assumed tropical:) [The navel of the horse,] the star, of Pegasus, that is in the head of Andromeda. (Kzw.)

[Hence likewise] سُرَّةٌ also signifies (assumed tropical:) A perforation in the middle of a jar such as is termed مُزَمَّلَة [q. v.], in which is fixed a tube of silver or lead, whence one drinks. (Har p. 548.)

And (assumed tropical:) The place where the water rests, in the furthest part, of a watering-trough, or tank. (K, TA.)

See also سِرٌّ, in two places, in the latter part of the paragraph.