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