spike rush

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a sedge of the genus Eleocharis
• Hypernyms:
sedge
• Hyponyms:
water chestnut, Chinese water chestnut, Eleocharis dulcis, needle spike rush, needle rush,
slender spike rush, hair grass, Eleocharis acicularis, creeping spike rush, Eleocharis palustris
• Member Holonyms:
Eleocharis, genus Eleocharis