1. Any aquatic plant of the genus Ceratophyllum; forms submerged masses in ponds and slow-flowing streams 
2. Liverworts with slender hornlike capsules

Derived forms: hornworts

Type of: aquatic plant, hepatic, hydrophyte, hydrophytic plant, liverwort, water plant

Part of: Anthocerotales, Ceratophyllum, genus Ceratophyllum, order Anthocerotales

Encyclopedia: Hornwort

• frolicsome
• frolicsomeness
• from
• from each one
• from head to toe
• from nowhere
• from pillar to post
• from scratch
• from start to finish
• from the heart
• from time to time
• from way back
• fromage frais
• Fromental Halevy
• frond
• Fronde
• fronded
• front
• front bench
• front burner
• front crawl
• front door
• front end
• front entrance
• front line