a. [f. L. apic-em (see APEX) + -AL 1.] Of or belonging to an apex; situated at the summit or tip.
1828. Kirby & Spence, Entomol., III. xxxv. 613. The proportion that the apical area bears to the rest of the wing.
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.
