ETYM Old Eng. calle, kelle, prob. from French cale; cf. Irish calla a veil.
(Homonym: call, col).
Net or similar covering for the head; afterbirth.
Membrane sometimes covering head of new-born infant, and regarded as lucky.
The inner embryonic membrane of higher vertebrates (especially when covering the head at birth); SYN. veil, fetal membrane, embryonic membrane.
1. The large fatty omentum covering the intestines (as of a cow, sheep, or pig).
2. The inner fetal membrane of higher vertebrates especially when covering the head at birth.