D defs.my
Entry 1 sense Webster, 1913

Conferva

· Con·fer·va · IPA /kənˈfɜːvə/
01 n. Any unbranched, slender, green plant of the fresh-water algae. The word is frequently used in a wider sense.
pl. Confervæ ((#))
  1. 1.
    Any unbranched, slender, green plant of the fresh-water algae. The word is frequently used in a wider sense.(Bot.)