The Collaborative International Dictionary
Prepollent
Prepollent \Pre*pol"lent\, n.; pl. Prepollices. [NL. See Pre-, Pollex.] (Anat.) An extra first digit, or rudiment of a digit, on the preaxial side of the pollex.
Prepollent
Prepollent \Pre*pol"lent\, a. [L. praepollens, p. p. of
praepollere to surpass in power; prae before + pollere to be
powerful.]
Having superior influence or power; prevailing; predominant.
[R.]
--Boyle.
Wiktionary
prepollent
a. Having superior influence or power; prevailing; predominant. n. An extra first digit, or rudiment of a digit, on the preaxial side of the pollex.