Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

seal

noun [C] (COVERING)
 
 
/siːl/

Definition

something fixed around the edge of an opening to prevent liquid or gas flowing through it: Clean the seal on/around the fridge door regularly so that it remains airtight.Coverings and layers a thin piece of material such as paper or plastic that covers the opening of a container and has to be broken in order to open the container and use the contentsCoverings and layers
(Definition of seal noun (COVERING) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Word of the Day

everything under the sun

everything that exists or is possible

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More