(UK, law, historical) The right of a lord to hear and decide legal cases on his estate without recourse to other courts.

(medicine) The intrauterine structure around an embryo in the very early stage of a fetus that can be used to determine if an intrauterine pregnancy exists until the embryo is identified.

Alternative form of gestational sac

A sac connected with the reproductive organs of land snails, containing a dart, or arrow-like structure.

plural of nasolacrimal sac

plural of tear sac

(anatomy, ophthalmology) Synonym of lacrimal sac.

(anatomy, ophthalmology) Synonym of lacrimal sac.

plural of gestational sac

plural of gestation sac