seal

1. (figurative) Confirmation or approval, or an indication of this.Examples: "Her clothes always had her mom's seal of approval."figuratively

1. (transitive) To place a seal on (a document).transitive

2. (transitive) To fasten (something) so that it cannot be opened without visible damage.Examples: "The cover is sealed. If anyone tries to open it, we'll know about it."transitive

3. (transitive) To prevent people or vehicles from crossing (something).Examples: "The border has been sealed until the fugitives are found."Synonyms: block, block off, close, close off, obstruct, seal offtransitive

4. (transitive) To close securely to prevent leakage.Examples: "I've sealed the bottle to keep the contents fresh."; "Seal up your lips, and give no words but "mum"."transitive

5. (transitive) To place in a sealed container.Examples: "I've sealed the documents in this envelope."Synonyms: enclosetransitive

6. (transitive, chess) To place a notation of one's next move in a sealed envelope to be opened after an adjournment.Examples: "After thinking for half an hour, the champion sealed his move."transitive

1. (dialectal) To tie up animals (especially cattle) in their stalls.dialectal

1. (military) Ellipsis of Navy SEAL (“member of the Sea, Air, Land unit”).Examples: "Enough people connected to the SEALs and the bin Laden mission have confirmed for me that the Shooter was the "number two" behind the raid's point man going up the stairs to bin Laden's third-floor residence […] The point man is the only one besides the Shooter who could verify the kill shots firsthand, and he did just that to another SEAL I spoke with."abbreviationalt-ofellipsis