- seal
- seal1noun1》 a device or substance used to join two things together or render something impervious.↘the state or fact of being joined or rendered impervious with a seal.2》 a piece of wax, lead, etc. with an individual design stamped into it, attached to a document as a guarantee of authenticity.↘a design embossed in paper for this purpose.↘an engraved device used for stamping a seal.↘a decorative adhesive stamp.3》 a confirmation or guarantee: a seal of approval.4》 (the seal or the seal of the confessional) the obligation on a priest not to divulge anything said during confession.5》 the water standing in the trap of a drain to prevent foul air from rising.verb1》 fasten or close securely.↘(seal something off) isolate an area by preventing or monitoring access to and from it.2》 apply a non-porous coating to (a surface) to make it impervious.3》 conclude, establish, or secure definitively: victory was sealed.4》 authenticate (a document) with a seal.Phrasesmy lips are sealed I will not discuss or reveal a secret.put (or set) the seal on finally confirm or conclude.set (or put) one's seal to (or on) mark with one's distinctive character.Derivativessealable adjectiveOriginME: from OFr. seel (n.), seeler (v.), from L. sigillum 'small picture', dimin. of signum 'a sign'.————————seal2noun a fish-eating aquatic mammal with a streamlined body and feet developed as flippers. [Families Phocidae (the true seals) and Otariidae (eared seals): many species.]verb [usu. as noun sealing] hunt for seals.OriginOE seolh, of Gmc origin.
English new terms dictionary. 2014.