verb

• (intransitive) To hunt seals.
  "They're organizing a protest against sealing."

noun

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

verb

• (transitive) To place a seal on (a document).
• (transitive) To fasten (something) so that it cannot be opened without visible damage.
  "The cover is sealed. If anyone tries to open it, we'll know about it."
• (transitive) To prevent people or vehicles from crossing (something).
  "The border has been sealed until the fugitives are found."
• (transitive) To close securely to prevent leakage.
  "I've sealed the bottle to keep the contents fresh."

verb

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