Wiktionary
amphisbænæ
n. (en-irregular plural of: amphisbæna)
WordNet
amphisbaena
n. (classical mythology) a serpent with a head at each end of its body
type genus of the Amphisbaenidae [syn: genus Amphisbaena, Amphisbaenia, genus Amphisbaenia]
[also: amphisbaenae (pl)]
amphisbaenae
See amphisbaena