/reuh mooh"deuh/ ; Sp. /rdde mooh"dhah/ , n. , pl. remudas /-deuhz/ ; Sp. /-dhahs/ . Chiefly Southwestern U.S.
a group of saddle horses from which ranch hands choose mounts for the day.
[ 1835-45, Amer.; remudar to change, replace, equiv. to re- RE- + mudar to change ( mutare ) ]