D defs.my
Entry 1 sense Webster, 1913

Ancipital

· An·cip·i·tal · IPA
01 a. Two-edged instead of round; -- said of certain flattened stems, as those of blue grass, and rarely also of leaves.
  1. 1.
    Two-edged instead of round; -- said of certain flattened stems, as those of blue grass, and rarely also of leaves.(Bot.)