No. Nor is it feminine, either. It is the infinitive of a verb (= to travel), which doesn't have masculine and feminine in Spanish.
Viajar : To travel Viaje : Trip
The word 'cuaderno' is masculine, as in el cuaderno (the notebook).
"Refrigerador" (Spanish) is a masculine noun.
Pene is the generic word for "penis" in Spanish, It's a masculine noun.
La regla --- fem.
viajar means travelViajar in Spanish means to travel
viajar or viajando
Its viajar travel in spanish is viajar
Me gusta viajar
Masculine. Normally, nouns that end in O in Spanish are masculine.
The Spanish word "castillo" is masculine.
The Spanish word "cielo" is masculine.
The Spanish word "salón" is masculine.
el teclado(masculine)
Masculine. You say "el dia"
Quiero viajar/ir a [ place ] ej. Quiero viajar a Francia
to travel = viajar