Search Result for "sorus": 
Wordnet 3.0

NOUN (2)

1. a spore-producing structure in certain lichens and fungi;

2. cluster of sporangia usually on underside of a fern frond;

perl: warning: Please check that your locale settings:
	LANGUAGE = (unset),
	LC_ALL = (unset),
	LC_TIME = "tr_TR.UTF-8",
	LC_MONETARY = "tr_TR.UTF-8",
	LC_ADDRESS = "tr_TR.UTF-8",
	LC_TELEPHONE = "tr_TR.UTF-8",
	LC_NAME = "tr_TR.UTF-8",
	LC_MEASUREMENT = "tr_TR.UTF-8",
	LC_IDENTIFICATION = "tr_TR.UTF-8",
	LC_NUMERIC = "tr_TR.UTF-8",
	LC_PAPER = "tr_TR.UTF-8",
	LANG = "C"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
2 definitions retrieved:

The Collaborative International Dictionary of English v.0.48:

Sorus \So"rus\, n.; pl. Sori. [NL., fr. Gr. ? a heap.] 1. (Bot.) One of the fruit dots, or small clusters of sporangia, on the back of the fronds of ferns. [1913 Webster] 2. (a) In parasitic fungi, any mass of spores bursting through the epidermis of a host plant. (b) In lichens, a heap of soredia on the thallus. [Webster 1913 Suppl.]
WordNet (r) 3.0 (2006):

sorus n 1: a spore-producing structure in certain lichens and fungi 2: cluster of sporangia usually on underside of a fern frond