UNSEAL

Source: 566, 567

unseal. Unseal, v.t. to open a seal or any thing sealed

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Un‐seal″ (?), v. t. [[1st pref. un- + seal.]] 1. 1. To break or remove the seal of; to open, as what is sealed; as, to unseal a letter.
Unable to unseal his lips beyond the width of a quarter of an inch. Sir W. Scott. 2. 2. To disclose, as a secret. The Coronation.