1. Having six sides or divided into hexagons
   - hexagonal

See also: hexagon

• alcopop
• Alcott
• alcove
• Alcyonacea
• Alcyonaria
• Alcyone
• Aldactone
• Aldebaran
• aldehyde
• aldehyde group
• aldehyde radical
• aldehyde-alcohol
• aldehydic
• alder
• alder blight
• alder buckthorn
• alder dogwood
• alder tree
• alder-leaved serviceberry
• alderfly
• alderleaf Juneberry
• alderman
• aldermanic
• aldermanly
• Alderney