posse comitatus

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posse com·i·ta·tus

See posse.

[Medieval Latin posse comitātūs : Medieval Latin posse, power, body of men (from Latin, to be able; see potent) + comitātūs, genitive of comitātus, county, territory of a count; see county.]

Posse Comitatus

 the body of men over the age of fifteen which the sheriff of an English county could raise as a force in a crisis, 1285.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.posse comitatus - a temporary police force
constabulary, police, police force, law - the force of policemen and officers; "the law came looking for him"
posseman - an able-bodied man serving as a member of a posse