a. [f. L. apic-em (see APEX) + -AL 1.] Of or belonging to an apex; situated at the summit or tip.

1

1828.  Kirby & Spence, Entomol., III. xxxv. 613. The proportion that the apical area bears to the rest of the wing.

2

1882.  H. Ward, in Q. Jrnl. Microsc. Sc., Jan., 4. This germinal tube rapidly grows forwards, extending, by apical growth, as a simple unbranched cylinder for some time.

3