There was a crash behind them and Uncle Vernon came skidding into the room. skid : (usually of a vehicle) to slide forward or to one side in a way that shows a loss of control"I warn you - I'm armed!" : involving the use of weapons , carrying a weapon, especially a gunyou could make out his eyes, glinting like black beetles under all the hair. glint : to produce small bright flashes of lightHe strode over to the sofa where Dudley sat frozen with fear. stride : to walk with long steps in a particular directionthe beetle eyes were crinkled in a smile. crinkle : to become covered with or to form a lot of thin folds or lines, especially in skin, cloth ro paper"Ah, shut up, Dursley, yeh great prune," : a dried plum that is often eaten cookedUncle Vernon made another funny noise, like a mouse being trodden on. tread : to put your foot down while you are stepping or walkingThe giant sat back down on the sofa, which sagged under his weight sag : to hang or bend down in the middle, especially because of weight or pressurea bottle of some amber liquid : yellow-brown in colour"Sorry?" barked Hagrid, turing to stare at the Dursleys, who shrank back into the shadows. shrink : to become smaller, especially when washed in water that is too hot ; to make clothes, cloth, etc. smaller in this wayThe Dursleys were cowering against the wall. cower : to bend low and/or move backwards because you are frightenedHagrid ran his fingers through his hair, fixing Harry with a bewildered stare. : confusedA braver man than Vernon Dursley would have quailed under the furious look Hagrid now gave him quail : to feel frightened or to show that you are frightenedhis every syllable trembled with rage. : any of the units into which a word is divided, containing a vowel sound and usually one or more consonantsHOGWARTS SCHOOL OF WITCHCRAFT AND WIZARDRY : the use of magic powers, especially evil ones : a very impressive and clever achievement; great skillDeputy Headmistress: a person who is the next most important person below a business manager, a head of a school : a female teacher who is in charge of a school, especially a private schoolWe swor...