Botrydium
noun
Bo·tryd·i·um
-idēəm
: a genus (the type of the family Botrydiaceae of the order Heterosiphonales) of coenocytic yellow-green algae that occur on moist earth as round or pear-shaped vesicles see protosiphon
Word History
Etymology
New Latin, from Greek botrydion small cluster, diminutive of botrys bunch of grapes