Doliolum

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Doliolum \Do*li"o*lum\, n. [L. doliolum a small cask.] (Zool.)
     A genus of freeswimming oceanic tunicates, allied to {Salpa},
     and having alternate generations.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  doliolum
       n : free-swimming oceanic tunicate with a barrel-shaped
           transparent body