DICT.TW Dictionary Taiwan
18.188.218.134

Search for:
[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

From: Webster's Revised Unabridged Dictionary (1913)

 Pro·sto·mi·um n.; pl. Prostomia   Zool. That portion of the head of an annelid situated in front of the mouth. -- Pro*sto*mi*al a.