DICT.TW Dictionary Taiwan
3.144.252.224
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Plac·o·derm n.  Paleon. One of the Placodermi.
 ◄ ►

From: WordNet (r) 2.0

 placoderm
      n : fishlike vertebrate with bony plates on head and upper body;
          dominant in seas and rivers during the Devonian;
          considered the earliest vertebrate with jaws