smooth (of a surface); glassy; smooth (of an action, proceedings, etc.); fluent (speech); continuously differentiable
to be slippery; to be slimy; to behave charmingly; to walk merrily
nameko (var. of mushroom) (Pholiota nameko)
enoki mushroom (Flammulina velutipes)
slime flounder (Microstomus achne)
Habenaria longitentaculata (species of bog orchid)