See Also:

sac(2) (iou)



sac noun2. [sak] M18.
[French, or mod. Latin use of Latin saccus: see SACK noun1.]
Biology. A natural baglike cavity in an organism; the membrane or other structure enclosing this. M18.
EMBRYO sac. pollen-sac: see POLLEN noun.
Medicine. A pouch formed by the pathological dilatation or protrusion of a part; the membranous envelope of a hernia, cyst, tumour, etc. E19.
A bag. rare. E19.
Comb.: sacbrood a fatal disease of honeybee larvae, caused by an RNA virus; sac-winged bat a tropical American bat belonging to any of several genera of the family Emballonuridae, distinguished by a pouchlike scent gland in the wing membrane of the males; esp. Saccopteryx bilineata.
saclike adjective M19.