1. in a manner relating to or located at the base or bottom of something
Usage: technical; biology
2. in a way that serves as a foundation or starting point
Usage: formal

Examples

• The cells are arranged basally along the tissue layer.
• The leaf is basally attached to the stem.
• Basally, the argument rests on three key assumptions.
• The structure is basally supported by a strong foundation.
• In the organism, the cells divide basally to produce new growth.