Noah Webster
Semi-columnar
SEMI-COLUM'NAR, adjective [semi and columnar.] Like a half column; flat on one side and round on the other; a term of botany, applied to a stem, leaf or petiole.
SEMI-COLUM'NAR, adjective [semi and columnar.] Like a half column; flat on one side and round on the other; a term of botany, applied to a stem, leaf or petiole.