a. rare. [f. L. ancipit- (anceps) two-headed (f. an (= ambi) both + capit- head) + -AL 1.] Having two sharp edges.

1

1794.  Martyn, trans. Rousseau’s Bot., xxv. 372. It has an ancipital, or two edged stem.

2

1864.  Webster cites Gray.

3