D defs.my
Entry 2 senses Webster, 1913

dendrology

· den·drol·o·gy · IPA /dɛndˈɹɑlədʒi/
01 n. the branch of botany studying trees and shrubs; the natural history of trees.
  1. 1.
    the branch of botany studying trees and shrubs; the natural history of trees.
  2. 2.
    A discourse or treatise on trees.