smother
verb
[ ˈsmʌðə ]
• kill (someone) by covering their nose and mouth so that they suffocate.
• "I dreamt a stranger was trying to kill me by smothering me with a pillow"
• extinguish (a fire) by covering it.
• "use a fire blanket to smother a chip-pan fire"
• cover someone or something entirely with.
• "rich orange sorbets smothered in fluffy whipped cream"
smother
noun
• a mass of something that stifles or obscures.
• "all this vanished in a smother of foam"
Origin:
Middle English (as a noun in the sense ‘stifling smoke’): from the base of Old English smorian ‘suffocate’.