The sac in which the foetus develops in mammals, reptiles and birds.

An alcoholic drink of sherry with whey (weak milk) and sugar.

(anatomy) A membranous sac attached to an embryo, providing early nourishment in the form of yolk in bony fishes, sharks, reptiles, birds, and primitive mammals.

A sabre-toothed tiger

plural of sabre-tooth

A sack used for transporting Christmas presents.

plural of sacral vertebra

plural of Sabin vaccine

(history) Any of three wars fought (in 595-585 BCE, 449 BC-448 BCE and 357-346 BCE) by the Amphictyonic Council.

(idiomatic) To violate (the holiness or sanctity of) the Sabbath (by not keeping it holy).