The meaning of SEAL is any of numerous carnivorous marine mammals (families Phocidae and Otariidae) that live chiefly in cold regions and have limbs modified into webbed flippers adapted primarily to swimming; especially : a fur seal or hair seal as opposed to a sea lion.

SEAL definition: 1. a large mammal that eats fish and lives partly in the sea and partly on land or ice 2. something…. Learn more.

SEAL meaning: 1 : to close (something) tightly so that air, liquid, etc., cannot get in or out often + up; 2 : to close (an envelope, bag, etc.) by sticking or pressing two of its parts together

A seal can be either the cute mammal at the aquarium balancing a beach ball on its nose, or the fancy stamp on your diploma that acts as an official "seal of approval" from your school. Seal is a tricky word since its meanings are so diverse.

A seal on a package or container is a cover that prevents air, liquid, or other material from getting in or out.

A design, initial, or other device placed on a letter, document, etc., as a mark of genuineness or authenticity: letters were, esp. formerly, closed with a wafer of molten wax into which was …

A device or material that is used to close off or fasten an opening or connection, especially to prevent the escape of a liquid or gas: used caulk as a seal around the window. b. An airtight closure: a door that lacks a tight seal.

2025年2月9日 · seal (third-person singular simple present seals, present participle sealing, simple past and past participle sealed) To place a seal on (a document). To mark with a stamp, as an evidence of standard exactness, legal size, or merchantable quality.

SEAL definition: 1. an animal with smooth fur that eats fish and lives near the sea 2. a piece of paper or plastic…. Learn more.

2017年10月10日 · Stamps validate a document's originality and signatures with an inked emblem or identification. The use of a seal, a stamp or both depends on document type and state law.