sac

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sac / sak/ • n. a hollow, flexible structure resembling a bag or pouch: a fountain pen with an ink sac. ∎  a cavity enclosed by a membrane within a living organism, containing air, liquid, or solid structures.DERIVATIVES: sac·like adj.

SAC

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SAC / sak/ • abbr. Strategic Air Command.

sac

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sac bag-like cavity. XVIII. — F. sac or L. saccus SACK1. See also SACK4.

sac

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sac (sak) n. a pouch or baglike structure. Sacs can enclose natural cavities in the body, e.g. in the lungs (see alveolus), or they can be pathological, as in a hernia.

Sac

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Sac • n. variant spelling of Sauk.

sac

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sac Military, indicating qualified at a small-arms technical long course

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