1. Erect and almost thornless American hawthorn with somewhat pear-shaped berries
   - blackthorn, pear haw, pear hawthorn, Crataegus tomentosa

Type of: haw, hawthorn

Part of: Crataegus, genus Crataegus

• serotinous
• serotonin
• serotype
• serous
• serous membrane
• serovar
• serow
• Serpasil
• Serpens
• dirty tricks
• dirty war
• dirty word
• dirty-faced
• dirty-minded
• dirtying
• dis
• disa
• disability
• disability benefit
• disability check
• disability insurance
• disability of walking
• disability payment
• disable
• disabled