What is "podetium"

Podetium \Po*de"ti*um\, n.; pl. Podetia, E. Podetiums. [NL., fr. Gr. ?, ?, foot.] (Bot.) A stalk which bears the fructification in some lichens, as in the so-called reindeer moss.

n. (context lichenology English) A stalk which bears the fructification in some lichens, such as the reindeer moss.

1. n. an organ or body resembling a stalk; especially the outgrowth of the thallus of certain lichens on which the ascocarp is borne

2. [also: podetia (pl)]