hornwort [
'hɒ:nwә:t]
n. 角苔
hornwort[ noun ]- any aquatic plant of the genus Ceratophyllum; forms submerged masses in ponds and slow-flowing streams
<noun.plant>
- liverworts with slender hornlike capsules
<noun.plant>
Hornwort \Horn"wort`\, n. (Bot.)
An aquatic plant ({Ceratophyllum}), with finely divided
leaves.