From Longman Dictionary of Contemporary Englishdecorationdec‧o‧ra‧tion /ˌdekəˈreɪʃən/●くろまる●くろまる○しろまる noun1[countable usually plural]DECORATE something pretty that you put in a place or on top of something to make it look attractiveChristmas decorationscake decorations2[uncountable]DECORATE the style in which something is decoratedHe is an expert on Islamic decoration.for decorationa box with paper flowers glued to it for decoration3[uncountable] British EnglishPAINT when you paint or put special paper on the insidewalls, ceiling etc of a house or building4[countable]GIVE something such as a medal that is given to someone as an officialsign of honourTHESAURUSdecoration noun [countable usually plural] something pretty that you put in a place or onto something to make it look attractive, especially for special occasionsHalf a dozen girls volunteered to put up decorations for the dance.We're making our own Christmas decorations this year.You could use the ribbon as a decoration. ornament [countable] a small pretty object that is used in a room or house to make it look more attractiveThe shelves were crammed with ornaments and souvenirs.a glass ornamentknick-knacks [plural] small inexpensive objects used to decorate a roomThe shop sold cheap knick-knacks for tourists.She had dusted all the ornaments and knick-knacks.garnish [countable] a small amount of food that is used to make a dish look nice or add taste to itServe the fish with a garnish of lemon.trim [singular, uncountable]decoration on a car, object, or piece of clothing that goes along the length of ita white skirt with black trim along the hemfrills [plural] a decoration on the edge of a piece of cloth that is made of many small folds in the clotha white blouse with frills at the cuffsembellishment [countable, uncountable] formal something that is added in order to make another thing seem more attractivethe colourful embellishments on a medieval manuscriptHis style is simple and without embellishment. Examples from the Corpusdecoration• The building was very plain with hardly any decoration at all.• It is also a popularfielddecoration on Belouch prayerrugs.• These plants are grown mainly for decoration.• To follow the process from claylump to glazeddecorationdemandsdiscipline.• Both are easy to colour and mould into decorations.• The only decoration in the room was a pictureabove the fireplace.• We whipped up Christmassyfeelings and pulleddecorations and paper hats out of a hamper given by soldiers in the Outer Hebrides.• All the decorations were white and festoons of snowy lace-gushed from every appropriateappointment.• The decorationsshone on the walls and I loosened the buttons of my tunic and slipped my tie down a few inches.• All that glitters may not be gold, but these decorations would add elegance and sparkle to any Christmas tree.• Just over one hundred children between the ages of four to eleven came to the canteen which had been transformed with decorations.for decoration• Thinslices of orange or lemon can be used for decoration.