Definition of marcos:
(n) :
A male given name from Spanish or Portuguese, equivalent to English Mark.
(n) :
A surname.
(n) :
A municipality of Ilocos Norte, Philippines (named after Mariano Marcos)
(n) :
A barangay of Banna, Ilocos Norte, Philippines.
(n) :
A barangay of Santa, Ilocos Sur, Philippines.
(n) :
Former name of Sabañgan (a barangay of Sinait, Ilocos Sur, Philippines)