Sense 1: To apply a protective covering to prevent the escape or entry of substances.

Example Sentences:

• We need to put a sealing on the envelope to ensure the confidentiality of the letter.
• Be sure to put a sealing on the box to keep the contents dry during transport.

Sense 1: An act of applying a protective covering.

Example Sentences:

• The worker did a careful job in the put a sealing on of the newly painted wall.
• A put a sealing on was applied to the roof to prevent any water leakage.