overt : Idioms & Phrases
Letters patent , overt , ∨ open
(Eng. Law) , a writing executed and sealed, by which power and authority are granted to a person to do some act, or enjoy some right;as, .letters patent under the seal of England
Webster 1913
overt operation
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noun the collection of intelligence openly without concealment
WordNet
Pound overt
- a pound that is open overhead.