Thalli

3 definitions found

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

  Thallus \Thal"lus\, n.; pl. {Thalli}. [NL., fr. Gr. ? young
     shoot or branch, frond.] (Bot.)
     A solid mass of cellular tissue, consisting of one or more
     layers, usually in the form of a flat stratum or expansion,
     but sometimes erect or pendulous, and elongated and
     branching, and forming the substance of the thallogens.


     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  thallus
       n : a plant body without true stems or roots or leaves or
           vascular system; characteristic of the thallophytes
       [also: {thalli} (pl)]

From WordNet (r) 2.0 [wn]:

  thalli
       See {thallus}