[f. prec. + -IST.] One who practises arboriculture.
1825. in Lockhart, Scott (1839), VII. 394. Sir W. is … a most zealous agriculturist and arboriculturist especially.
1865. Livingstone, Zambesi, xii. 259. The Batoka, the only arboriculturists in the country, rear native fruit trees.
