ar‧bour  British English, 
arbor American English /ˈɑːbə $ ˈɑːrbər/
 noun [countable][
Date: 1300-1400; 
Language: Old French; 
Origin: herbier 'area of grass', from herbe 'herb, grass']
 a shelter in a garden made by making plants grow together on a frame shaped like an 
arch  [TahlilGaran] Dictionary of Contemporary English ▲