/ ˈɑːbərɪkʌltʃə(r); NAmE ˈɑːrb-/ noun
[ U ] the study or practice of growing trees and shrubs
► ar·bori·cul·tural / ˌɑːbərɪˈkʌltʃərəl; NAmE ˌɑːrb-/ adjective :
an arboricultural specialist
► ar·bori·cul·tur·ist noun
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WORD ORIGIN
early 19th cent.: from Latin arbor tree + culture , on the pattern of words such as agriculture .