Mouth; stoma: peristome.
[From Greek stoma, mouth.]
n combining form
indicating a mouth or opening resembling a mouth: peristome.
[from Greek stoma mouth, and stomion little mouth]
a combining form meaning “organism having a mouth or mouthlike organ” of the kind specified (cyclostome), “mouthlike organ” (peristome).
[comb. form representing Greek stóma mouth]