Definition of morro in US English:

morro

noun

  • In Spanish and Portuguese-speaking parts of the Americas: a hill or mountain. Frequently (in form Morro) in the proper names of such features.

Origin

Early 19th century; earliest use found in Helen Maria Williams (1761–1827), writer. Either from Portuguese morro, or from Spanish morro hill, mound; further etymology uncertain.

Pronunciation

morro

/ˈmɒrəʊ/