astronomical Meaning, Definition & Usage

  1. adjective relating or belonging to the science of astronomy
    astronomic.
    • astronomic telescope
  2. adjective satellite inconceivably large
    galactic; astronomic.

WordNet

As`tro*nom"ic*al adjective
Etymology
L. astronomicus, Gr. : cf. F. astronomique.
Definitions
  1. Of or pertaining to astronomy; in accordance with the methods or principles of astronomy. -- As`tro*nom"ic*al*ly, adv.

Webster 1913