From Longman Dictionary of Contemporary Englishtrimmertrim‧mer /ˈtrɪmə $ -ər/ noun [countable] DLGa machine for cutting the sides of hedges, lawns etc
Examples from the Corpus
trimmer• With a cordless trimmer it is important to use an efficient cutting technique to conserve power.• Hand shears will give you the neatest finish, but on long hedges an electric trimmer saves time.• When working with a hedge trimmer, run the supply cable over one shoulder well away from the blades.• Cordless technology is still not perfect, but Black & Decker is the first to try a battery-powered hedge trimmer.• Most of the electric line trimmers are between 150 and 500 watts.• The vinyl sunroof of the 12 / 50 can be replaced by professional trimmers.• Cutting ability of the trimmer is better than would be expected of a cordless machine.• The trimmer worked well in confined areas, near fences and walls and path edges. 