<p><strong>Noun</strong></p><ul><li>an embossed emblem</li><li>figure</li><li>symbol</li><li>word</li><li>letter</li><li>etc.</li><li>used as attestation or evidence of authenticity</li><li>Without the seal, the certificate is useless</li><li>a stamp</li><li>medallion</li><li>ring</li><li>etc., engraved with such a device</li><li>for impressing paper</li><li>wax</li><li>lead</li><li>or the like</li><li>The king took the seal from his finger and applied it to the document</li><li>the impression so obtained</li><li>It was unmistakably the royal seal on the document</li><li>a mark or symbol attached to a legal document</li><li>and imparting a formal character to it</li><li>originally wax with an impression</li><li>Part of his job was stamping the lawyer's seal next to each of her signatures</li><li>a piece of wax or similar adhesive substance so attached to an envelope</li><li>folded document</li><li>etc., that it must be broken when the object is opened</li><li>insuring that the contents have not been tampered with or altered</li><li>anything that tightly or completely closes or secures a thing</li><li>as closures or fastenings for doors and railroad cars</li><li>adhesive stamps and tapes used to secure the flap of an envelope</li><li>etc.</li><li>something that keeps a thing secret</li><li>Her vow was the seal that kept her silent</li><li>a decorative stamp</li><li>especially as given to contributors to a charitable fund</li><li>a Christmas seal</li><li>a mark</li><li>sign</li><li>symbol</li><li>or the like, serving as visible evidence of something</li><li>anything that serves as assurance</li><li>confirmation</li><li>or bond</li><li>She gave the plan her seal of approval</li><li>Plumbing</li><li>a small amount of water held by a trap to exclude foul gases from a sewer or the like</li><li>the depth of the part of the water that actually excludes the gases</li><li>the seals, British</li><li>the tokens or signs of public office</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to affix a seal to in authorization</li><li>testimony</li><li>etc.</li><li>to assure</li><li>confirm</li><li>or bind with or as if with a seal</li><li>They sealed the bargain with a handshake</li><li>to impress a seal upon as evidence of legal or standard exactness</li><li>measure</li><li>quality</li><li>etc.</li><li>to close by any form of fastening that must be broken before access can be gained</li><li>to fasten or close tightly by or as if by a seal</li><li>She was sealing envelopes</li><li>My lips are sealed</li><li>to decide irrevocably</li><li>to seal someone's fate</li><li>to grant under one's seal or authority</li><li>as a pardon</li><li>Mormon Church</li><li>to make (a marriage or adoption) forever binding</li><li>solemnize</li><li>Electricity</li><li>to bring (a plug and jack or socket) into locked or fully aligned position</li></ul><p><strong>Verb Phrase</strong></p><ul><li>to close hermetically</li><li>to seal off a jar</li><li>to block (an entrance, area, etc.) completely so as to prevent escape or entrance</li><li>The police sealed off the area after the bomb threat was received</li></ul>