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Webster 1913 Edition
Thallus
‖
Thal′lus
,Noun.
pl.
Thalli
(#)
. [NL., fr. Gr. [GREEK] 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.
Definition 2024
thallus
thallus
English
Noun
thallus (plural thalli)
- (botany) An undifferentiated plant body, such as in algae.
- (botany) Any plant body lacking vascular tissue.
Related terms
- thalliform
- thalline
- thallodal
- thalloid
- Thallobionta
- Thallophyta
- thallophyte
- thallose