مَشِيمَةٌ

The غِرْس; (S, TA;) i. e. (TA) the place of, (K, TA,) or [membrane that encloses, or forms the] covering of, (Msb,) the fœtus (Msb, K, TA) of a human being: (Msb: [see غِرْسٌ:]) originally مَشْيِمَةٌ: (S, Msb:) plural مَشَايِمُ (S, K) and [coll. gen. n.] ↓ مَشِيمٌ. (IB, K.) [See also سَلًى.]