semi- +‎ cylindrical


semicylindrical (comparative more semicylindrical, superlative most semicylindrical)

  1. Having the shape of a semicylinder.
    • 2007 June 10, David W. Dunlap, “‘Copy!’”, in New York Times[1]:
      Molds of these pages were dropped down chutes to the basement pressroom and used to cast semicylindrical printing plates.
  2. (botany) Of a leaf: elongated, flat on one side and round on the other.