from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. In a vertical direction or position.
from the GNU version of the Collaborative International Dictionary of English
- adv. In a vertical manner, position, or direction; perpendicularly.
from The Century Dictionary and Cyclopedia
- In a vertical manner, position, or direction; in a line or plane passing through the zenith; also, upward toward or downward from the zenith.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adv. in a vertical direction
vertical + -ly (Wiktionary)