1. plural of seal: marine mammals with flippers that live in water and on land
2. plural of seal: official marks or stamps used to authenticate documents
3. plural of seal: devices or materials that close openings to prevent leakage

1. third person singular present of seal: closes or secures something tightly
2. third person singular present of seal: makes something official or final

Examples

• The seals basked on the rocky shore in the morning sun.
• Harbor seals are common along the Pacific coast.
• The document bore the official seals of three different agencies.
• She seals the envelope before mailing the letter.
• The rubber seals around the windows need replacement.
• This handshake seals our agreement.
• The mechanic checked all the seals in the engine.
• The judge’s signature seals the verdict.