edging

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++edg·ing /ˈedʒɪŋ/ noun [countable, uncountable]  EDGEsomething that forms an edge or border 边缘；饰边 a white handkerchief with blue edging 镶蓝边的白手帕

Examples from the Corpus

edging• Hide the brackets by adding an edging of deep wallpaper border - backing it with stiff card for extra durability.• They would be ideal for edging mixed borders or bedding schemes.• By the gate the Patriarch's buxom companion was still at work, weeding a not particularly fertile-looking patch of edging.• The outer edges were rounded and smoothed with a small edging trowel, which gives a very attractive finish.• Don't forget that anything laid in sand always needs a solid edging.

edg·ing nounChineseSyllable  

or an border forms Corpus edge something that

edging
edg‧ing /ˈedʒɪŋ/ noun [uncountable and countable]
something that forms an edge or border:
    a white handkerchief with blue edging

edgingBrE /ˈedʒɪŋ/ 🔊NAmE /ˈedʒɪŋ/ 🔊 noun [uncountable, countable] something that forms the border or edge of sth, added to make it more attractive, etc. 边缘；饰边；缘饰