When used as a verb, the word "seal" means to close.
Alisha sealed the chicken in a freezer bag before putting it in the freezer.
If you don’t seal the lid, the food in the container might dry out.
Jim sealed a deal for the purchase of some property downtown. ("seal a deal" / "seal the deal" is very popular when two groups or two people come to a business agreement.)
Before Betsy was laid to rest in the cemetery, her body was sealed inside a coffin.
Sometimes the word "seal" is used when a surface is protected by a chemical.
The floor is chemically sealed to protect it from wear and tear.
The parking lot was sealed last weekend and new stripes were added, so it now looks like new.
As a noun, the word "seal" can be a few different things:
You lick the seal on an envelope to keep it closed.
A seal is a type of mammal that lives in the water and on land.
An official seal on a document shows that a person in a position of authority has reviewed the document or given approval.
