1. hornwort

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


  • aquatic plant
  • water plant
  • hydrophyte
  • Ceratophyllum
  • genus Ceratophyllum

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2. hornwort

noun. liverworts with slender hornlike capsules.


  • liverwort
  • order Anthocerotales
  • hepatic

Example sentences of the word hornwort

1. Noun, singular or mass
While hornwort is a tropical pond plant, it is able to survive winter climates.

2. Adjective
The thalli of most hornwort species tend to be several cells thick, except for those in genus Dendroceros.