seal off meaning
UK /siːl ɒf/ US /sil ɔf/ 2 syllables
seal off (verb): make tight; secure against leakage.
seal off has 2 meanings in this dictionary.
seal off as a verb
How to pronounce seal off
seal off is pronounced /siːl ɒf/ in British English and /sil ɔf/ in American English. It has 2 syllables.
More about seal off on Wikipedia.