Sĕm′ĭ-co-lūm′nar, a.
a. [Prefix semi and columnar.] Like half of a column; flat on one side and round on the other; imperfectly columnar;—applied especially to botanical objects.
a. [Prefix semi and columnar.] Like half of a column; flat on one side and round on the other; imperfectly columnar;—applied especially to botanical objects.