sac

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Sac:

see Sac and FoxSac and Fox,
closely related Native Americans of the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American languages). Sac and Fox culture was of the Eastern Woodlands area with some Plains-area traits (see under Natives, North American).
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sac

[sak]
(biology)
A soft-walled cavity within a plant or animal, often containing a special fluid and usually having a narrow opening or none at all.
(mapping)
Indentation in the contour lines of equal depth showing submarine relief.

sac

a pouch, bag, or pouchlike part in an animal or plant

SAC

1. An early system on the Datatron 200 series.

[Listed in CACM 2(5):16 (May 1959)].
References in periodicals archive ?
saettii is unique by having two primibrachials, higher than wide primibrachials, higher than wide secundibrachials, ramules borne admedially only, and a recurved anal sac with multiple vertical ridges (Table 2).
Food allergy can also be associated with chronic anal sac disease.
Anal sac disease is very common in dogs but can be treated by your vet, sometimes treating it with antibiotics if there is a severe infection.
Anal sac disease is very painful and usually accompanied by a bad odour.
I referred to the cocker manual and learned this probably means that his anal sacs need to be cleaned.