1. (noun) any aquatic plant of the genus Ceratophyllum; forms submerged masses in ponds and slow-flowing streams

• ceratophyllum
• genus ceratophyllum

2. (noun) liverworts with slender hornlike capsules

• anthocerotales
• order anthocerotales

1. (noun) any aquatic plant of the genus Ceratophyllum; forms submerged masses in ponds and slow-flowing streams

• aquatic plant
• hydrophyte
• hydrophytic plant
• water plant

2. (noun) liverworts with slender hornlike capsules

• hepatic
• liverwort