Sentence:  In honour of my visit, he'd gotten rid of 'most' of the cobwebs, and washed and <WSD>hoovered</WSD> the walls next to the bed. <WSD>Hoovered</WSD> the walls? What sort of creatures were living in the gaps in the stone that would need to be <WSD>hoovered</WSD> out? 
Meaning of the word marked with <WSD> tags:  To clean (a room, etc.) with a vacuum cleaner, irrespective of brand.