Tumuc-Humac Mountains
geographical name
Tu·muc-Hu·mac Mountains
| \ tü-ˌmü-kü-ˈmäk
\
\
variants:
or Portuguese Serra Tumucumaque \ ˈse-rə-tü-ˌmü-kü-ˈmä-kā
, -kē \
, -kē \
Definition of Tumuc-Humac Mountains
range of low mountains in northeastern Brazil along the borders with Suriname and French Guiana