1. Tall European annual with downy grey-green foliage and dense heads of small white flowers followed by hairy pods; naturalized in North America; sometimes a troublesome weed
   - hoary alison, Berteroa incana

Derived forms: hoary alyssums

Type of: herb, herbaceous plant

Part of: Berteroa, genus Berteroa

• axillary
• axillary artery
• axillary cavity
• axillary fossa
• axillary node
• axillary vein
• axiological
• axiology
• axiom
• axiomatic
• axiomatical
• axiomatically
• axion
• axis
• axis of rotation
• axis vertebra
• axle
• axle bar
• axle grease
• axletree
• Axminster
• axolemma
• axolotl
• axon
• axonal