\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.

\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.