Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun hornwort

2 senses of hornwort

Sense 1
hornwort -- (any aquatic plant of the genus Ceratophyllum; forms submerged masses in ponds and slow-flowing streams)
       => aquatic plant, water plant, hydrophyte, hydrophytic plant -- (a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth)

Sense 2
hornwort -- (liverworts with slender hornlike capsules)
       => liverwort, hepatic -- (any of numerous small green nonvascular plants of the class Hepaticopsida growing in wet places and resembling green seaweeds or leafy mosses)