The Collaborative International Dictionary
Amphistomous
Amphistomous \Am*phis"to*mous\, a. [Gr. ? + ? mouth.] (Zo["o]l.) Having a sucker at each extremity, as certain entozoa, by means of which they adhere.
Wiktionary
amphistomous
a. (context zoology English) Having a sucker at each extremity.