river United States (country) and Mexico (country) ;, starting in Colorado (state), flowing through New (state) Mexico{{, and forming the boundary between <> and the Mexican states of <>, <>, <> and <> for most of its length.}}
Origin
Borrowed from Spanish río ("Grande"). Alternatives include Rio Grande River (literally "river big river") or the Rio Grande.
Modern English dictionary
Explore and search massive catalog of over 900,000 word meanings.
Word of the Day
Get a curated memorable word every day.
Challenge yourself
Level up your vocabulary by setting personal goals.