n. 25B6; noun
the seal round the bath : SEALANT, sealer, adhesive.
the king put his seal on the letter : EMBLEM, symbol, insignia, device, badge, crest, coat of arms, mark, monogram, stamp.
the Minister gave his seal of approval to the project : RATIFICATION, approval, blessing, consent, agreement, permission, sanction, endorsement, clearance.
25B6; verb
she quietly sealed the door behind her : FASTEN, secure, shut, close, lock, bolt.
seal each bottle while it is hot : STOP UP, seal up, make airtight/watertight, cork, stopper, plug.
police sealed off the High Street : CLOSE OFF, shut off, cordon off, fence off, isolate.
he held out his hand to seal the bargain : CLINCH, secure, settle, conclude, complete, establish, set the seal on, confirm, guarantee; informal sew up.